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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
40906493229076360910 ~1994
40906583818131678 ~1990
40907939818158798 ~1990
40908779818175598 ~1990
40909139818182798 ~1990
40910231818204638 ~1990
409111793272894339 ~1992
40911659818233198 ~1990
40911863818237278 ~1990
409122132454732799 ~1992
409124714091247119 ~1992
40913651818273038 ~1990
409162073273296579 ~1992
40917143818342878 ~1990
409183132455098799 ~1992
40918331818366638 ~1990
40919699818393998 ~1990
409196997365545839
40920083818401678 ~1990
40920359818407198 ~1990
409207013273656099 ~1992
40920791818415838 ~1990
409213517365843199 ~1993
409217873273742979 ~1992
40921931818438638 ~1990
Exponent Prime Factor Digits Year
409223532455341199 ~1992
40922891818457838 ~1990
40923203818464078 ~1990
409244212455465279 ~1992
40924421155512799910
409247572455485439 ~1992
40926491818529838 ~1990
409268695729761679 ~1993
40930139818602798 ~1990
409311674093116719 ~1992
40932851818657038 ~1990
40932959818659198 ~1990
409346517368237199 ~1993
40934819171926239910 ~1994
40934891818697838 ~1990
409352477368344479 ~1993
409356117368409999 ~1993
409357732456146399 ~1992
40935803818716078 ~1990
40936691818733838 ~1990
40936919818738398 ~1990
40936979818739598 ~1990
409373412456240479 ~1992
409391172456347039 ~1992
40939583818791678 ~1990
Exponent Prime Factor Digits Year
40940279818805598 ~1990
40940771818815438 ~1990
40940843818816878 ~1990
40942021417608614310 ~1995
40942763818855278 ~1990
40944119818882398 ~1990
40945343818906878 ~1990
40946291171974422310 ~1994
40946891818937838 ~1990
40946903818938078 ~1990
40947443818948878 ~1990
40948343818966878 ~1990
40948741122846223110 ~1993
40950179663392899910 ~1995
40951199819023998 ~1990
409519013276152099 ~1992
40952363819047278 ~1990
40952459819049198 ~1990
40952603819052078 ~1990
409533616552537779 ~1993
40954031819080638 ~1990
409541416552662579 ~1993
40954211819084238 ~1990
409559273276474179 ~1992
40956131819122638 ~1990
Exponent Prime Factor Digits Year
409568579829645699 ~1993
409570879829700899 ~1993
40957271819145438 ~1990
409576197372371439 ~1993
40957799819155998 ~1990
409581113276648899 ~1992
409586393276691139 ~1992
40961099819221998 ~1990
409621677373190079 ~1993
409636871745053066311 ~1996
40963823819276478 ~1990
40964459819289198 ~1990
409646416554342579 ~1993
40966259819325198 ~1990
409665012457990079 ~1992
40966619819332398 ~1990
40966643819332878 ~1990
40967219819344398 ~1990
40967483819349678 ~1990
409679474096794719 ~1992
40967963819359278 ~1990
409718573277748579 ~1992
40972859819457198 ~1990
40973363819467278 ~1990
40973843819476878 ~1990
1951
GIMPS The Prime Pages FactorDb.com
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25-06-08