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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
608724591217449199 ~1992
60874069182622207110 ~1995
608751619740025779 ~1994
608760414870083299 ~1993
608760711217521439 ~1992
608762874870102979 ~1993
608769711217539439 ~1992
608775196087751919 ~1993
608775591217551199 ~1992
608798031217596079 ~1992
608800311217600639 ~1992
608808711217617439 ~1992
608813933652883599 ~1993
608820133652920799 ~1993
608825991217651999 ~1992
608841711217683439 ~1992
608883413653300479 ~1993
608884911217769839 ~1992
60889343146134423310 ~1994
608913774871310179 ~1993
608916294871330339 ~1993
608925714871405699 ~1993
60892939255750343910 ~1995
608970591217941199 ~1992
608982231217964479 ~1992
Exponent Prime Factor Digits Year
608988231217976479 ~1992
609007133654042799 ~1993
609023991218047999 ~1992
609047574872380579 ~1993
609048591218097199 ~1992
609050631218101279 ~1992
609053031218106079 ~1992
609057231218114479 ~1992
609073733654442399 ~1993
609102111218204239 ~1992
609102594872820739 ~1993
609106733654640399 ~1993
609115733654694399 ~1993
609115791218231599 ~1992
609116391218232799 ~1992
609117711218235439 ~1992
60914981194927939310 ~1995
609156231218312479 ~1992
609158391218316799 ~1992
609159774873278179 ~1993
609165174873321379 ~1993
609169933655019599 ~1993
609174739746795699 ~1994
609185213655111279 ~1993
609212333655273999 ~1993
Exponent Prime Factor Digits Year
609212694873701539 ~1993
60921997280241186310 ~1995
609225831218451679 ~1992
609244431218488879 ~1992
609281391218562799 ~1992
60929317280274858310 ~1995
609305098530271279 ~1994
609309231218618479 ~1992
609335991218671999 ~1992
609359511218719039 ~1992
609364431218728879 ~1992
609365631218731279 ~1992
609375591218751199 ~1992
60937939207188992710 ~1995
609386391218772799 ~1992
609387894875103139 ~1993
609398391218796799 ~1992
609415191218830399 ~1992
609445013656670079 ~1993
609486231218972479 ~1992
609514191219028399 ~1992
609521631219043279 ~1992
609527391219054799 ~1992
609531739752507699 ~1994
609536031219072079 ~1992
Exponent Prime Factor Digits Year
609539533657237199 ~1993
609552413657314479 ~1993
60955379109719682310 ~1994
609554031219108079 ~1992
609559013657354079 ~1993
609606111219212239 ~1992
609627013657762079 ~1993
609632991219265999 ~1992
60964219146314125710 ~1994
609647479754359539 ~1994
609685431219370879 ~1992
609699711219399439 ~1992
609701031219402079 ~1992
609703791219407599 ~1992
609724973658349839 ~1993
609726831219453679 ~1992
609744231219488479 ~1992
609780133658680799 ~1993
609796791219593599 ~1992
609804591219609199 ~1992
609823191219646399 ~1992
609831013658986079 ~1993
609837591219675199 ~1992
609843533659061199 ~1993
609848773659092639 ~1993
2143
GIMPS The Prime Pages FactorDb.com
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25-04-13