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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
474720772848324639 ~1992
47472311949446238 ~1991
474724932848349599 ~1992
47472539949450798 ~1991
47474209227876203310 ~1994
47476081104447378310 ~1993
47476489142429467110 ~1994
47477351949547038 ~1991
474779873798238979 ~1992
474784918546128399 ~1993
474804314748043119 ~1993
474815172848891039 ~1992
474829372848976239 ~1992
47483399949667998 ~1991
47483981142451943110 ~1994
47484677493840640910 ~1995
474847973798783779 ~1992
47486531949730638 ~1991
47487299949745998 ~1991
47488703379909624110 ~1995
474899093799192739 ~1992
474899213799193699 ~1992
47490563949811278 ~1991
474912372849474239 ~1992
47492051949841038 ~1991
Exponent Prime Factor Digits Year
47492603949852078 ~1991
474931577598905139 ~1993
474933176649064399 ~1993
474934372849606239 ~1992
47495699949913998 ~1991
47495963113990311310 ~1994
47496469189985876110 ~1994
47498699151995836910 ~1994
474989812849938879 ~1992
47499131949982638 ~1991
47499671949993438 ~1991
475003572850021439 ~1992
475005772850034639 ~1992
47501123950022478 ~1991
475046572850279439 ~1992
47506883950137678 ~1991
47507651465574979910 ~1995
47508371950167438 ~1991
47509463950189278 ~1991
475097332850583999 ~1992
47512343950246878 ~1991
47514119950282398 ~1991
47514359950287198 ~1991
47514443950288878 ~1991
47514479950289598 ~1991
Exponent Prime Factor Digits Year
47515199950303998 ~1991
47515211950304238 ~1991
47515691950313838 ~1991
475159132850954799 ~1992
475167473801339779 ~1992
475173173801385379 ~1992
47517443950348878 ~1991
47518811950376238 ~1991
47519291950385838 ~1991
47519891950397838 ~1991
475204013801632099 ~1992
47521871950437438 ~1991
47523659950473198 ~1991
475245772851474639 ~1992
47524619950492398 ~1991
47525111950502238 ~1991
47526371950527438 ~1991
47527583950551678 ~1991
47527751950555038 ~1991
47528171950563438 ~1991
47529011950580238 ~1991
475292813802342499 ~1992
47530919950618398 ~1991
475319212851915279 ~1992
47531999950639998 ~1991
Exponent Prime Factor Digits Year
475328832395657303311 ~1997
47532911950658238 ~1991
47533331950666638 ~1991
47534411950688238 ~1991
47534891950697838 ~1991
47535443950708878 ~1991
475355813802846499 ~1992
47536259950725198 ~1991
47537447313747150310 ~1995
47540063950801278 ~1991
47542091950841838 ~1991
475426812852560879 ~1992
47543123950862478 ~1991
47543471380347768110 ~1995
475437731245646852711 ~1996
47545559950911198 ~1991
47545919950918398 ~1991
475460398558287039 ~1993
47546879950937598 ~1991
47548619950972398 ~1991
475492793803942339 ~1992
47550491951009838 ~1991
47550551951011038 ~1991
475507793804062339 ~1992
47551331951026638 ~1991
2038
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25-06-08