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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
803780031607560079 ~1993
803804511607609039 ~1993
803825511607651039 ~1993
803888214823329279 ~1994
803894876431158979 ~1994
803901711607803439 ~1993
803928831607857679 ~1993
803931296431450339 ~1994
803956574823739439 ~1994
803976174823857039 ~1994
803993031607986079 ~1993
804002631608005279 ~1993
804026031608052079 ~1993
80407777369875774310 ~1996
804078792444399521711 ~1998
804108596432868739 ~1994
804112574824675439 ~1994
804120111608240239 ~1993
804155391608310799 ~1993
804177414825064479 ~1994
804213591608427199 ~1993
80421527193011664910 ~1995
804233631608467279 ~1993
804234111608468239 ~1993
804238911608477839 ~1993
Exponent Prime Factor Digits Year
804273591608547199 ~1993
804281631608563279 ~1993
804293531142096812711 ~1997
804363711608727439 ~1993
804411134826466799 ~1994
80441617128706587310 ~1995
804417231608834479 ~1993
804421191608842399 ~1993
804431511608863039 ~1993
804442191608884399 ~1993
804447438044474319 ~1994
804450831608901679 ~1993
804517791609035599 ~1993
804529431609058879 ~1993
80453209579263104910 ~1997
804546014827276079 ~1994
804549776436398179 ~1994
804563576436508579 ~1994
804579831609159679 ~1993
80462461177017414310 ~1995
804639231609278479 ~1993
80463991128742385710 ~1995
804716031609432079 ~1993
804748191609496399 ~1993
80476171128761873710 ~1995
Exponent Prime Factor Digits Year
804778431609556879 ~1993
804795591609591199 ~1993
80480999257539196910 ~1996
804831711609663439 ~1993
804855711609711439 ~1993
80488673112684142310 ~1995
804895038048950319 ~1994
8048964116355495051312 ~2000
804906711609813439 ~1993
804909831609819679 ~1993
80491417193179400910 ~1995
804933231609866479 ~1993
804941534829649199 ~1994
80497289499083191910 ~1996
805005231610010479 ~1993
805026831610053679 ~1993
805038591610077199 ~1993
805046031610092079 ~1993
805069814830418879 ~1994
805071831610143679 ~1993
80509349193222437710 ~1995
805094631610189279 ~1993
805116014830696079 ~1994
80512441322049764110 ~1996
805130576441044579 ~1994
Exponent Prime Factor Digits Year
805133991610267999 ~1993
805144431610288879 ~1993
805150311610300639 ~1993
805163631610327279 ~1993
805165311610330639 ~1993
805166696441333539 ~1994
805199031610398079 ~1993
805203831610407679 ~1993
805221374831328239 ~1994
805249191610498399 ~1993
80525057112735079910 ~1995
805253031610506079 ~1993
805281534831689199 ~1994
805282911610565839 ~1993
805303496442427939 ~1994
805311416442491299 ~1994
805317231610634479 ~1993
805341374832048239 ~1994
805363311610726639 ~1993
805380711610761439 ~1993
805383711610767439 ~1993
805391031610782079 ~1993
805422111610844239 ~1993
80542213193301311310 ~1995
805428111610856239 ~1993
2293
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25-04-13