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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
49661663993233278 ~1991
496619932979719599 ~1992
49661999993239998 ~1991
496621332979727999 ~1992
496626532979759199 ~1992
49663319993266398 ~1991
496640532979843199 ~1992
49665179993303598 ~1991
49667699993353998 ~1991
496677773973422179 ~1993
49668469387414058310 ~1995
49670171993403438 ~1991
49670723993414478 ~1991
496717812980306879 ~1992
49672643993452878 ~1991
49673159993463198 ~1991
49674623993492478 ~1991
49675511993510238 ~1991
496763812980582879 ~1992
496766513974132099 ~1993
49678883993577678 ~1991
496802093974416739 ~1993
49683083993661678 ~1991
49684091993681838 ~1991
49685423993708478 ~1991
Exponent Prime Factor Digits Year
49685843993716878 ~1991
49685843158994697710
49686743993734878 ~1991
49686803993736078 ~1991
49686863993737278 ~1991
49688251208690654310 ~1994
49688279993765598 ~1991
49691003993820078 ~1991
496926077950817139 ~1993
49692899993857998 ~1991
49693463993869278 ~1991
49694399993887998 ~1991
496945973975567779 ~1993
496952114969521119 ~1993
496953132981718799 ~1992
496960937951374899 ~1993
496974412981846479 ~1992
49698371993967438 ~1991
496994237951907699 ~1993
49701023994020478 ~1991
49701383994027678 ~1991
497019412982116479 ~1992
49702571994051438 ~1991
49706171994123438 ~1991
49706599914601421710 ~1996
Exponent Prime Factor Digits Year
497074673976597379 ~1993
497082132982492799 ~1992
49708931994178638 ~1991
497092517953480179 ~1993
49711583994231678 ~1991
497116612982699679 ~1992
49711703994234078 ~1991
49711819119308365710 ~1994
49712639994252798 ~1991
49713011994260238 ~1991
497134874971348719 ~1993
49713659994273198 ~1991
497139413977115299 ~1993
49714211994284238 ~1991
49716071994321438 ~1991
497166972983001839 ~1992
497182132983092799 ~1992
49718303994366078 ~1991
49718759994375198 ~1991
49719419994388398 ~1991
49719563994391278 ~1991
49719983328151887910 ~1995
49722479994449598 ~1991
49723463994469278 ~1991
49723679248618395110 ~1995
Exponent Prime Factor Digits Year
49724399994487998 ~1991
497255393978043139 ~1993
49725911994518238 ~1991
49728251994565038 ~1991
497290373978322979 ~1993
49729331994586638 ~1991
49729763994595278 ~1991
49730111994602238 ~1991
49730651994613038 ~1991
49731551994631038 ~1991
497318834973188319 ~1993
497322132983932799 ~1992
497329874973298719 ~1993
497335012984010079 ~1992
49733759994675198 ~1991
49734791994695838 ~1991
497367893978943139 ~1993
49737323994746478 ~1991
497377193979017539 ~1993
497378873979030979 ~1993
49738631994772638 ~1991
497387212984323279 ~1992
49739099994781998 ~1991
497404732984428399 ~1992
49740479994809598 ~1991
2307
GIMPS The Prime Pages FactorDb.com
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26-08-02