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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.
Exp. Prime Factor Digits Year
7924079633926338
7924739158494798 ~1985
79248791426478239 ~1987
7924883158497678 ~1985
7924991158499838 ~1985
79252371902056899 ~1987
79253771268060339 ~1987
7925471158509438 ~1985
7925711634056898 ~1986
7925741475544478 ~1986
7925759158515198 ~1985
7925761475545678 ~1986
7925843158516878 ~1985
7925849634067938 ~1986
7925891158517838 ~1985
7926311158526238 ~1985
79264193804681139 ~1988
7926497475589838 ~1986
79265092536482899 ~1988
7926517475591038 ~1986
79267131109739839 ~1987
7927013475620798 ~1986
79270579512468419 ~1989
7927259158545198 ~1985
7927511158550238 ~1985
Exp. Prime Factor Digits Year
7927891792789118 ~1987
7927919158558398 ~1985
7927943158558878 ~1985
7928183158563678 ~1985
7928423158568478 ~1985
7928831158576638 ~1985
79288491110038879 ~1987
7928857475731438 ~1986
79290077136106319 ~1989
7929017475741038 ~1986
79290171110062399
79293071903033699 ~1987
7929343114182539310 ~1989
7929371158587438 ~1985
7929563158591278 ~1985
79296176343693619 ~1989
7929683158593678 ~1985
7929899158597998 ~1985
7930037475802238 ~1986
7930229177637129710 ~1990
79302711427448799 ~1987
7930463158609278 ~1985
7930757475845438 ~1986
7930859158617198 ~1985
7930943158618878 ~1985
Exp. Prime Factor Digits Year
7931117475867038 ~1986
7931249634499938 ~1986
7931353475881198 ~1986
7931411158628238 ~1985
7931459158629198 ~1985
7931519158630398 ~1985
7931597475895838 ~1986
7931771158635438 ~1985
7931831158636638 ~1985
7932053475923198 ~1986
7932517475951038 ~1986
7932553475953198 ~1986
7932809634624738 ~1986
7932839158656798 ~1985
79328931110605039 ~1987
7933109634648738 ~1986
7933231793323118 ~1987
7933319158666398 ~1985
7933379158667598 ~1985
79334813014722799 ~1988
7933511158670238 ~1985
7933813476028798 ~1986
7934099158681998 ~1985
79348078252199299 ~1989
7934831158696638 ~1985
Exp. Prime Factor Digits Year
7934957476097438 ~1986
7935071158701438 ~1985
7935143158702878 ~1985
7935197476111838 ~1986
79354391904505379 ~1987
7935491158709838 ~1985
7935833476149998 ~1986
7935971158719438 ~1985
7935971634877698
7936079158721598 ~1985
7936163158723278 ~1985
7936223158724478 ~1985
7936673476200398 ~1986
7936751158735038 ~1985
7936823158736478 ~1985
7937123158742478 ~1985
7937141476228478 ~1986
7937177634974178 ~1986
7937533476251998 ~1986
7937621476257278 ~1986
7937753476265198 ~1986
7937771635021698 ~1986
7937939158758798 ~1985
7937981635038498 ~1986
79379831270077299 ~1987
889
GIMPS The Prime Pages FactorDb.com
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25-04-13