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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
23379599467591998 ~1988
233802672338026719 ~1990
23380631467612638 ~1988
23380823467616478 ~1988
23380979467619598 ~1988
23381411467628238 ~1988
23382011467640238 ~1988
233821971402931839 ~1990
23382563467651278 ~1988
23382659467653198 ~1988
233831871870654979 ~1990
23384099467681998 ~1988
23384363467687278 ~1988
23384423467688478 ~1988
23384519467690398 ~1988
23385083467701678 ~1988
23385119467702398 ~1988
233852895612469379 ~1991
23385359467707198 ~1988
23385431467708638 ~1988
233854872338548719 ~1990
23386403467728078 ~1988
23386631467732638 ~1988
23386703467734078 ~1988
233875992338759919 ~1990
Exponent Prime Factor Digits Year
23388419467768398 ~1988
23388479467769598 ~1988
233891811871134499 ~1990
23389259467785198 ~1988
23389799467795998 ~1988
23390063467801278 ~1988
23390519467810398 ~1988
233908971403453839 ~1990
23391191467823838 ~1988
23392079467841598 ~1988
23392091467841838 ~1988
233923671871389379 ~1990
233931432339314319 ~1990
233935211403611279 ~1990
23393603467872078 ~1988
233942991871543939 ~1990
233944333743109299 ~1991
233959371403756239 ~1990
23396183467923678 ~1988
23396423467928478 ~1988
23396699467933998 ~1988
23396963467939278 ~1988
233973131403838799 ~1990
23397323467946478 ~1988
23397551467951038 ~1988
Exponent Prime Factor Digits Year
23397791467955838 ~1988
23398223467964478 ~1988
23399039467980798 ~1988
23399183173153954310 ~1992
23399339467986798 ~1988
23399903467998078 ~1989
23400203468004078 ~1989
23401151468023038 ~1989
23401379468027598 ~1989
23401523468030478 ~1989
234021611404129679 ~1990
234022194212399439 ~1991
23402279468045598 ~1989
234022971404137839 ~1990
23403371468067438 ~1989
234034512340345119 ~1990
23404103468082078 ~1989
23404211468084238 ~1989
234042291872338339 ~1990
23405111468102238 ~1989
234051194212921439 ~1991
23406431468128638 ~1989
23406563468131278 ~1989
23406923468138478 ~1989
23408051468161038 ~1989
Exponent Prime Factor Digits Year
234080511872644099
23408219468164398 ~1989
234082392340823919 ~1990
234082573745321139 ~1991
234083811404502879 ~1990
23408471468169438 ~1989
234085191872681539 ~1990
234091611404549679 ~1990
23410463468209278 ~1989
234109992341099919 ~1990
234110391872883139 ~1990
23411351468227038 ~1989
234114073745825139 ~1991
23411411468228238 ~1989
23412023468240478 ~1989
23412419468248398 ~1989
23412611468252238 ~1989
23413739468274798 ~1989
23414243468284878 ~1989
23414351468287038 ~1989
234148571404891439 ~1990
23414939468298798 ~1989
23415251468305038 ~1989
234157131404942799 ~1990
23415911468318238 ~1989
1475
GIMPS The Prime Pages FactorDb.com
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24-10-27