83269 83273 83299 83311 83339 83341 83357 83383 83389 83399 18061 18077 18089 18097 18119 18121 18127 18131 18133 18143 This is the complete index for the prime curiosity collection--an exciting collection of curiosities, wonders and trivia related to prime numbers and integer factorization. Factors of 220 are integers that can be divided evenly into 220. 5 digit 6 digit; Magical Random Numbers; . 19993 19997 20011 20021 20023 20029 20047 20051 20063 20071 45763 45767 45779 45817 45821 45823 45827 45833 45841 45853 So 4 is not prime (a number that is not prime is called composite). 94351 94379 94397 94399 94421 94427 94433 94439 94441 94447 35089 35099 35107 35111 35117 35129 35141 35149 35153 35159 A. Cohen and Talbot M. Katz, Prime numbers and the first digit phenomenon, J. NewmanShanksWilliams numbers that are prime. List of Prime Number between 1 to 100 Creating Prime Number List of First N Prime Numbers Using Python. A prime number (or a prime) is a natural number that has exactly two distinct natural number divisors: 1 and itself. Primes with a prime index in the sequence of prime numbers (the 2nd, 3rd, 5th, prime). 32 is the jersey worn by popular athletes such as the Hall of Fame inductee Jim Brown, the former National Football League all-time leading rusher; and Ervin "Magic" Johnson, five-time NBA champion. 36293 36299 36307 36313 36319 36341 36343 36353 36373 36383 19231 19237 19249 19259 19267 19273 19289 19301 19309 19319 2, 3, 5, 7, 11, 101, 17977, 10619863, 6620830889, 80630964769, 228204732751, 1171432692373, 1398341745571, 10963707205259, 15285151248481, 10657331232548839, 790738119649411319, 18987964267331664557 (OEIS:A049575). Primes with equal-sized prime gaps above and below them, so that they are equal to the arithmetic mean of the nearest primes above and below. 4p 1 1 (mod p2): 1093, 3511 81701 81703 81707 81727 81737 81749 81761 81769 81773 81799 On this page we will tell you what the first five prime numbers are and why they are prime. 21851 21859 21863 21871 21881 21893 21911 21929 21937 21943 Is 0 a prime number? When are two numbers considered to be relatively prime? 14621 14627 14629 14633 14639 14653 14657 14669 14683 14699 This website uses cookies to improve your experience while you navigate through the website. Two numbers are relatively prime (coprime) if they have no common factor greater than 1. 55681 55691 55697 55711 55717 55721 55733 55763 55787 55793 20707 20717 20719 20731 20743 20747 20749 20753 20759 20771 Primel - A daily prime number game - GitHub Pages Example: 2, 3, 5, 7, 11, 13, 17, are prime numbers. Truncatable prime - Wikipedia 67559 67567 67577 67579 67589 67601 67607 67619 67631 67651 49547 49549 49559 49597 49603 49613 49627 49633 49639 49663 The First 10,000 Primes (the 10,000th is 104,729) For more information on primes see https://primes.utm.edu/ 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97 101 103 107 109 113 127 131 137 139 149 151 157 163 167 173 179 181 191 193 197 199 211 223 227 229 233 239 241 251 257 263 269 271 277 281 283 293 307 311 313 317 331 337 347 349 353 359 367 373 379 383 389 397 401 . 90499 90511 90523 90527 90529 90533 90547 90583 90599 90617 13883 13901 13903 13907 13913 13921 13931 13933 13963 13967 31607 31627 31643 31649 31657 31663 31667 31687 31699 31721 61211 61223 61231 61253 61261 61283 61291 61297 61331 61333 Now onto 9. 23209 23227 23251 23269 23279 23291 23293 23297 23311 23321 What is a Prime Number? | Live Science 2 12569 12577 12583 12589 12601 12611 12613 12619 12637 12641 9461 9463 9467 9473 9479 9491 9497 9511 9521 9533 Solved Examples. The probability of the existence of another Fermat prime is less than one in a billion. 18p 1 1 (mod p2): 5, 7, 37, 331, 33923, 1284043 (OEIS:A244260) 87011 87013 87037 87041 87049 87071 87083 87103 87107 87119 56713 56731 56737 56747 56767 56773 56779 56783 56807 56809 17p 1 1 (mod p2): 2, 3, 46021, 48947 (OEIS:A128668)[20] 3, 7, 11, 19, 23, 31, 43, 47, 59, 67, 71, 79, 83, 103, 107, 127, 131, 139, 151, 163, 167, 179, 191, 199, 211, 223, 227, 239, 251, 263, 271, 283, 307, 311, 331, 347, 359, 367, 379, 383, 419, 431, 439, 443, 463, 467, 479, 487, 491, 499, 503 (OEIS:A002145). 37061 37087 37097 37117 37123 37139 37159 37171 37181 37189 50767 50773 50777 50789 50821 50833 50839 50849 50857 50867 4073 4079 4091 4093 4099 4111 4127 4129 4133 4139 99859 99871 99877 99881 99901 99907 99923 99929 99961 99971 our costs. 96137 96149 96157 96167 96179 96181 96199 96211 96221 96223 * Type a number and press enter to see if it's a prime number! giving all the prime numbers up to a certain value. 102953 102967 102983 103001 103007 103043 103049 103067 103069 103079 82471 82483 82487 82493 82499 82507 82529 82531 82549 82559 PrimePages: prime number research records and results Primes pn for which pn2>pnipn+i for all 1in1, where pn is the nth prime. 21179 21187 21191 21193 21211 21221 21227 21247 21269 21277 Prime Numbers. 23459 23473 23497 23509 23531 23537 23539 23549 23557 23561 Still, there are overall more primes among the same range of smaller numbers (1000-5499 has ~4400 primes, 5500-99999 has ~4000). 47431 47441 47459 47491 47497 47501 47507 47513 47521 47527 The nth prime number can be denoted as pn, so: The first prime number, p1 = 2. 40801 40813 40819 40823 40829 40841 40847 40849 40853 40867 64951 64969 64997 65003 65011 65027 65029 65033 65053 65063 48523 48527 48533 48539 48541 48563 48571 48589 48593 48611 Some facts: The only even prime number is 2. 41983 41999 42013 42017 42019 42023 42043 42061 42071 42073 6p 1 1 (mod p2): 66161, 534851, 3152573 (OEIS:A212583) We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. 30577 30593 30631 30637 30643 30649 30661 30671 30677 30689 3259 3271 3299 3301 3307 3313 3319 3323 3329 3331 p 467 479 487 491 499 503 509 521 523 541 Calculate Prime Numbers - Online Number Tools 74933 74941 74959 75011 75013 75017 75029 75037 75041 75079 98773 98779 98801 98807 98809 98837 98849 98867 98869 98873 11p 1 1 (mod p2): 71[20] 86293 86297 86311 86323 86341 86351 86353 86357 86369 86371 67391 67399 67409 67411 67421 67427 67429 67433 67447 67453 947 953 967 971 977 983 991 997 1009 1013 92569 92581 92593 92623 92627 92639 92641 92647 92657 92669 14771 14779 14783 14797 14813 14821 14827 14831 14843 14851 So 6 is composite. Prime Curios! Index: Numbers with 5 digits - PrimePages I assembled this list for my own uses as a programmer, and wanted to share it with you. 92761 92767 92779 92789 92791 92801 92809 92821 92831 92849 42083 42089 42101 42131 42139 42157 42169 42179 42181 42187 32611 32621 32633 32647 32653 32687 32693 32707 32713 32717 Because this is JavaScript, you can even open up your browser's JavaScript console and run this code for yourself. Next we test 6. 74857 74861 74869 74873 74887 74891 74897 74903 74923 74929 74527 74531 74551 74561 74567 74573 74587 74597 74609 74611 2 3 5 7 11 13 17 19 23 29 25609 25621 25633 25639 25643 25657 25667 25673 25679 25693 77479 77489 77491 77509 77513 77521 77527 77543 77549 77551 71119 71129 71143 71147 71153 71161 71167 71171 71191 71209 - Martin R. Apr 12, 2019 at 15:14. 45191 45197 45233 45247 45259 45263 45281 45289 45293 45307 85831 85837 85843 85847 85853 85889 85903 85909 85931 85933 34159 34171 34183 34211 34213 34217 34231 34253 34259 34261 There are known formulae to evaluate the prime-counting function (the number of primes below a given value) faster than computing the primes. 73867 73877 73883 73897 73907 73939 73943 73951 73961 73973 11351 11353 11369 11383 11393 11399 11411 11423 11437 11443 23, 29, 59, 61, 67, 71, 79, 83, 109, 137, 139, 149, 193, 227, 233, 239, 251, 257, 269, 271, 277, 293, 307, 311, 317, 359, 379, 383, 389, 397, 401, 419, 431, 449, 461, 463, 467, 479, 499 (OEIS:A063980), 2, 17, 257, 1297, 65537, 160001, 331777, 614657, 1336337, 4477457, 5308417, 8503057, 9834497, 29986577, 40960001, 45212177, 59969537, 65610001, 126247697, 193877777, 303595777, 384160001, 406586897, 562448657, 655360001 (OEIS:A037896). 94693 94709 94723 94727 94747 94771 94777 94781 94789 94793 72931 72937 72949 72953 72959 72973 72977 72997 73009 73013 Here is a list of all the prime numbers up to 1,000: 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 . 58727 58733 58741 58757 58763 58771 58787 58789 58831 58889 10181 10193 10211 10223 10243 10247 10253 10259 10267 10271 37831 37847 37853 37861 37871 37879 37889 37897 37907 37951 10273 10289 10301 10303 10313 10321 10331 10333 10337 10343 16607 16619 16631 16633 16649 16651 16657 16661 16673 16691 Not a single prime number greater than 5 ends with a 5. So 5 is prime. Generating provable semiprimes of more than 250 digits by methods other than multiplying two primes together is nontrivial. - 5281 5297 5303 5309 5323 5333 5347 5351 5381 5387 87251 87253 87257 87277 87281 87293 87299 87313 87317 87323 10357 10369 10391 10399 10427 10429 10433 10453 10457 10459 31267 31271 31277 31307 31319 31321 31327 31333 31337 31357 94007 94009 94033 94049 94057 94063 94079 94099 94109 94111 22343 22349 22367 22369 22381 22391 22397 22409 22433 22441 42569 42571 42577 42589 42611 42641 42643 42649 42667 42677 How to Find Prime Numbers? - BYJU'S Online learning Programs For K3 95783 95789 95791 95801 95803 95813 95819 95857 95869 95873 45863 45869 45887 45893 45943 45949 45953 45959 45971 45979 8933 8941 8951 8963 8969 8971 8999 9001 9007 9011 Solution Perform the divisibility test to identify composite and prime numbers. What are the example of twin prime numbers? 1. ) What is the smallest 5 digit prime number? Prime Number Lists - Math is Fun The second prime number, p2 = 3. 44543 44549 44563 44579 44587 44617 44621 44623 44633 44641 42751 42767 42773 42787 42793 42797 42821 42829 42839 42841 23039 23041 23053 23057 23059 23063 23071 23081 23087 23099 0 51341 51343 51347 51349 51361 51383 51407 51413 51419 51421 8837 8839 8849 8861 8863 8867 8887 8893 8923 8929 These cookies ensure basic functionalities and security features of the website, anonymously. Primes p for which the binomial coefficient 5 Which is the nth prime number in this calculator? Next testing 10. 5801 5807 5813 5821 5827 5839 5843 5849 5851 5857 75403 75407 75431 75437 75479 75503 75511 75521 75527 75533 The first few prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29. ) Any number greater than 5 that ends in a 5 can be divided by 5. 77731 77743 77747 77761 77773 77783 77797 77801 77813 77839 3343 3347 3359 3361 3371 3373 3389 3391 3407 3413 2 73999 74017 74021 74027 74047 74051 74071 74077 74093 74099 23327 23333 23339 23357 23369 23371 23399 23417 23431 23447 14083 14087 14107 14143 14149 14153 14159 14173 14177 14197 Built a function to check if a number startsWith a specified digit (startWith (12345,1) return true) 67057 67061 67073 67079 67103 67121 67129 67139 67141 67153 Circular Prime -- from Wolfram MathWorld 17903 17909 17911 17921 17923 17929 17939 17957 17959 17971 5 These cookies will be stored in your browser only with your consent. A palindromic prime (sometimes called a palprime) is a prime number that is also a palindromic number. 53233 53239 53267 53269 53279 53281 53299 53309 53323 53327 An example in base-10 is because , , and are all primes. 28057 28069 28081 28087 28097 28099 28109 28111 28123 28151 9739 9743 9749 9767 9769 9781 9787 9791 9803 9811 47947 47951 47963 47969 47977 47981 48017 48023 48029 48049 10009 10037 10039 10061 10067 10069 10079 10091 10093 10099 The first few prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29. 67777 67783 67789 67801 67807 67819 67829 67843 67853 67867 Since any number greater than 5 that ends with 5 can be easily divided by 5. so, it cannot be considered a prime number. 37957 37963 37967 37987 37991 37993 37997 38011 38039 38047 Subsets of the prime numbers may be generated with various formulas for primes. The number 0 is not a prime number. 13513 13523 13537 13553 13567 13577 13591 13597 13613 13619 35407 35419 35423 35437 35447 35449 35461 35491 35507 35509 So 7 is prime. 7417 7433 7451 7457 7459 7477 7481 7487 7489 7499 102031 102043 102059 102061 102071 102077 102079 102101 102103 102107 8389 8419 8423 8429 8431 8443 8447 8461 8467 8501 87337 87359 87383 87403 87407 87421 87427 87433 87443 87473 23117 23131 23143 23159 23167 23173 23189 23197 23201 23203 Numbers that have more than two factors are called composite numbers. 57193 57203 57221 57223 57241 57251 57259 57269 57271 57283 5 Digit Prime Numbers List - PrimeNumbersList.com No prime number greater than 5 ends in a 5. 62921 62927 62929 62939 62969 62971 62981 62983 62987 62989 55339 55343 55351 55373 55381 55399 55411 55439 55441 55457 Next we test 4. 57107 57119 57131 57139 57143 57149 57163 57173 57179 57191 21961 21977 21991 21997 22003 22013 22027 22031 22037 22039 3, 5, 7, 13, 17, 19, 23, 37, 47, 59, 61, 67, 71, 79, 89, 101, 103, 107, 109, 127, 151, 157, 163, 167, 191, 197, 199, 223, 229, 233, 239, 271, 277, 283, 293, 307, 311, 313, 331, 353, 373, 379, 383, 397 (OEIS:A046066). 86869 86923 86927 86929 86939 86951 86959 86969 86981 86993 Numbers that have more than two factors are called composite numbers. 739 743 751 757 761 769 773 787 797 809 [6], a = 2: 3, 5, 17, 257, 65537 (OEIS:A019434). 3 103889 103903 103913 103919 103951 103963 103967 103969 103979 103981 Primes with 210 to 300 digits (say 210, 220, . 89443 89449 89459 89477 89491 89501 89513 89519 89521 89527 5 24179 24181 24197 24203 24223 24229 24239 24247 24251 24281 64327 64333 64373 64381 64399 64403 64433 64439 64451 64453 41389 41399 41411 41413 41443 41453 41467 41479 41491 41507 33029 33037 33049 33053 33071 33073 33083 33091 33107 33113 48413 48437 48449 48463 48473 48479 48481 48487 48491 48497 Prime numbers are numbers that have only 2 factors: 1 and themselves. 60509 60521 60527 60539 60589 60601 60607 60611 60617 60623 4n+3: 3, 7, 11, 19, 23, 31, 43, 47, 59, 67, 71, 79, 83, 103, 107 (OEIS:A002145) p World's simplest math tool. 14533 14537 14543 14549 14551 14557 14561 14563 14591 14593 Overall, every one of the 5 places of a 5-digit number can be filled up in ten ways, because it can have 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9. 20899 20903 20921 20929 20939 20947 20959 20963 20981 20983 2221 2237 2239 2243 2251 2267 2269 2273 2281 2287 60727 60733 60737 60757 60761 60763 60773 60779 60793 60811 3, 7, 31, 211, 2311, 200560490131 (OEIS:A018239[5]). The name "emirp" is obtained by reversing the word "prime". 81931 81937 81943 81953 81967 81971 81973 82003 82007 82009 75211 75217 75223 75227 75239 75253 75269 75277 75289 75307 What are Twin Primes? Definition, List and Examples - BYJUS Shuffle a Deck of Cards. 48947 48953 48973 48989 48991 49003 49009 49019 49031 49033 23563 23567 23581 23593 23599 23603 23609 23623 23627 23629 12491 12497 12503 12511 12517 12527 12539 12541 12547 12553 Prime & Composite Numbers - Explanation with Examples 26813 26821 26833 26839 26849 26861 26863 26879 26881 26891 19, 31, 43, 47, 61, 67, 71, 79, 101, 137, 139, 149, 193, 223, 241, 251, 263, 277, 307, 311, 349, 353, 359, 373, 379, 419, 433, 461, 463, 491, 509, 541, 563, 571, 577, 587 (OEIS:A120337). The first few prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29. 61637 61643 61651 61657 61667 61673 61681 61687 61703 61717 3, 5, 7, 31, 53, 97, 211, 233, 277, 367, 389, 457, 479, 547, 569, 613, 659, 727, 839, 883, 929, 1021, 1087, 1109, 1223, 1289, 1447, 1559, 1627, 1693, 1783, 1873 (OEIS:A006378), (5, 11), (7, 13), (11, 17), (13, 19), (17, 23), (23, 29), (31, 37), (37, 43), (41, 47), (47, 53), (53, 59), (61, 67), (67, 73), (73, 79), (83, 89), (97, 103), (101, 107), (103, 109), (107, 113), (131, 137), (151, 157), (157, 163), (167, 173), (173, 179), (191, 197), (193, 199) (OEIS:A023201, OEIS:A046117). 86113 86117 86131 86137 86143 86161 86171 86179 86183 86197 A Prime Number is: (if we can make it by multiplying other whole numbers it is a Composite Number) Here we see it in action: 2 is Prime, 3 is Prime, 4 is Composite (=22), 5 is Prime, and so on. . 63377 63389 63391 63397 63409 63419 63421 63439 63443 63463 18149 18169 18181 18191 18199 18211 18217 18223 18229 18233 7, 23, 383, 32212254719, 2833419889721787128217599, 195845982777569926302400511, 4776913109852041418248056622882488319 (OEIS:A050918), Pages displaying short descriptions of redirect targets, Pages displaying wikidata descriptions as a fallback, Last edited on 21 February 2023, at 00:05, List of largest known primes and probable primes, "Irregular Primes and Cyclotomic Invariants", "Sequence A121091 (Smallest nexus prime of the form n^p - (n-1)^p, where p is an odd prime)", On-Line Encyclopedia of Integer Sequences, "Sequence A121616 (Primes of form (n+1)^5 - n^5)", "Sequence A121618 (Nexus primes of order 7 or primes of form n^7 - (n-1)^7)", "Mirimanoff's Congruence: Other Congruences", Interface to a list of the first 98 million primes, Thema: Fermatquotient B^(P1) == 1 (mod P^2), https://en.wikipedia.org/w/index.php?title=List_of_prime_numbers&oldid=1140625623, This page was last edited on 21 February 2023, at 00:05. Odd primes p that divide the class number of the p-th cyclotomic field. 3911 3917 3919 3923 3929 3931 3943 3947 3967 3989 79757 79769 79777 79801 79811 79813 79817 79823 79829 79841 Of the form k2n+1, with odd k and k<2n. 64217 64223 64231 64237 64271 64279 64283 64301 64303 64319 Primes in the Fibonacci sequence F0=0, F1=1, In some sense, 2 % is small, but since there are 9 10 21 numbers with 22 digits, that means about 1.8 10 20 of them are prime; not just three or four! Roll one or more dice and get random dice numbers. Next we test 3. where x=y + 1. 104417 104459 104471 104473 104479 104491 104513 104527 104537 104543 45541 45553 45557 45569 45587 45589 45599 45613 45631 45641 65071 65089 65099 65101 65111 65119 65123 65129 65141 65147 84443 84449 84457 84463 84467 84481 84499 84503 84509 84521 185, 253, 253, and 263. 283 293 307 311 313 317 331 337 347 349 The First 10,000 Primes The cookie is used to store the user consent for the cookies in the category "Other. p (3, 7), (7, 11), (13, 17), (19, 23), (37, 41), (43, 47), (67, 71), (79, 83), (97, 101), (103, 107), (109, 113), (127, 131), (163, 167), (193, 197), (223, 227), (229, 233), (277, 281) (OEIS:A023200, OEIS:A046132). days? 8117 8123 8147 8161 8167 8171 8179 8191 8209 8219 10463 10477 10487 10499 10501 10513 10529 10531 10559 10567 84919 84947 84961 84967 84977 84979 84991 85009 85021 85027 For more see Prime Number Lists. 24p 1 1 (mod p2): 5, 25633 Used Sieve of Eratosthenes to generate 5 digit primes (between 9999 & 100000) Built a function to compute the sum of digits (12345 = 1+2+3+4+5 = 15) Built a function to check an array if the sum of digits are the same throughout. Eleven has just two factors: 1 and 11. 49037 49043 49057 49069 49081 49103 49109 49117 49121 49123 44647 44651 44657 44683 44687 44699 44701 44711 44729 44741 57847 57853 57859 57881 57899 57901 57917 57923 57943 57947 80737 80747 80749 80761 80777 80779 80783 80789 80803 80809 How to calculate the number of prime factors? 27847 27851 27883 27893 27901 27917 27919 27941 27943 27947 96737 96739 96749 96757 96763 96769 96779 96787 96797 96799 2131 2137 2141 2143 2153 2161 2179 2203 2207 2213 instructions how to enable JavaScript in your web browser, Converting Decimals to Fractions Worksheets, Multiplying Negative Numbers Online Practice, Subtracting Negative Numbers Online Practice. The answer is that the largest known prime has over 17 million digits - far beyond even the very large numbers typically used in cryptography). How many 5 digit numbers are formed from 012345? Here is JavaScript code to generate a list of an arbitrarily large number of prime numbers. 76673 76679 76697 76717 76733 76753 76757 76771 76777 76781 The classes 10n+d (d = 1, 3, 7, 9) are primes ending in the decimal digit d. 2n+1: 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53 (OEIS:A065091) 19p 1 1 (mod p2): 3, 7, 13, 43, 137, 63061489 (OEIS:A090968)[20] 28513 28517 28537 28541 28547 28549 28559 28571 28573 28579 27239 27241 27253 27259 27271 27277 27281 27283 27299 27329 28657 28661 28663 28669 28687 28697 28703 28711 28723 28729 37691 37693 37699 37717 37747 37781 37783 37799 37811 37813 52711 52721 52727 52733 52747 52757 52769 52783 52807 52813 p 21757 21767 21773 21787 21799 21803 21817 21821 21839 21841 102329 102337 102359 102367 102397 102407 102409 102433 102437 102451 95327 95339 95369 95383 95393 95401 95413 95419 95429 95441 48619 48623 48647 48649 48661 48673 48677 48679 48731 48733 How many prime numbers are between 1 and 1000? For example, 2 + 2 = 4, 4 + 2 = 6, and so on (these will be all the multiples of 2 in the list): Such as 4, 6, 8, 10, 12, 14, 16 and so on up to 100. Where p and 2p + 1 are both prime. 93913 93923 93937 93941 93949 93967 93971 93979 93983 93997 82657 82699 82721 82723 82727 82729 82757 82759 82763 82781 The numbers p corresponding to Mersenne primes must themselves . Primes p such that ap 1 1 (mod p2) for fixed integer a > 1. 73421 73433 73453 73459 73471 73477 73483 73517 73523 73529 {\displaystyle F_{p-\left({\frac {p}{5}}\right)}} To find the first five prime numbers, we start at 2 (remember that 1 is not classed as a prime number). 5449 5471 5477 5479 5483 5501 5503 5507 5519 5521 60037 60041 60077 60083 60089 60091 60101 60103 60107 60127 72353 72367 72379 72383 72421 72431 72461 72467 72469 72481 So 3 is prime. 63823 63839 63841 63853 63857 63863 63901 63907 63913 63929 36523 36527 36529 36541 36551 36559 36563 36571 36583 36587 19427 19429 19433 19441 19447 19457 19463 19469 19471 19477 27697 27701 27733 27737 27739 27743 27749 27751 27763 27767 The number 1 is neither prime nor composite. Spin a Wheel. If the sum of a number's digits is a multiple of 3, that number can be divided by 3. 100703 100733 100741 100747 100769 100787 100799 100801 100811 100823 18251 18253 18257 18269 18287 18289 18301 18307 18311 18313 90247 90263 90271 90281 90289 90313 90353 90359 90371 90373 <<<>>> List the first and last few: m#n 100003 100019 100043 100049 100057 100069 100103 100109 100129 100151 100153 100169 100183 10018. 10 10103 10111 10133 10139 10141 10151 10159 10163 10169 10177 1663 1667 1669 1693 1697 1699 1709 1721 1723 1733 {\displaystyle {\tfrac {x^{3}-y^{3}}{x-y}}} 4421 4423 4441 4447 4451 4457 4463 4481 4483 4493 All integers (except 0 and 1) have at least two divisors - 1 and the number itself. Palindromic Prime -- from Wolfram MathWorld So each of the five places can be similarly filled up in ten ways. 80071 80077 80107 80111 80141 80147 80149 80153 80167 80173 93407 93419 93427 93463 93479 93481 93487 93491 93493 93497 44281 44293 44351 44357 44371 44381 44383 44389 44417 44449 y 12n+5: 5, 17, 29, 41, 53, 89, 101, 113, 137, 149, 173, 197, 233, 257, 269 (OEIS:A040117) Prime Numbers and Composite Numbers - VEDANTU