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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
120036712160660799 ~1989
12003737960298978 ~1988
12003997720239838 ~1987
12004319240086398 ~1986
120044171920706739 ~1988
12004511240090238 ~1986
12004799240095998 ~1986
12004991240099838 ~1986
120050477683230099 ~1990
12005099240101998 ~1986
12005219240104398 ~1986
12005317720319038 ~1987
12005531240110638 ~1986
12006251240125038 ~1986
12006311240126238 ~1986
12006443240128878 ~1986
120065092881562179 ~1989
12006671240133438 ~1986
12006781720406878 ~1987
12007223240144478 ~1986
120077592161396639 ~1989
120078373602351119 ~1989
12008027960642178 ~1988
12008099240161998 ~1986
12008261720495678 ~1987
Exponent Prime Factor Digits Year
120084191200841919 ~1988
12008471240169438 ~1986
120087975764222579 ~1990
12008999240179998 ~1986
12009421720565278 ~1987
12009443240188878 ~1986
12009551240191038 ~1986
12009779240195598 ~1986
12010079240201598 ~1986
12010169960813538 ~1988
12010241720614478 ~1987
12010769960861538 ~1988
12011183240223678 ~1986
12011617720697038 ~1987
12011669960933538 ~1988
12011711240234238 ~1986
12011903240238078 ~1986
120120371921925939 ~1988
12012131240242638 ~1986
12012491240249838 ~1986
12012743240254878 ~1986
12012971240259438 ~1986
12013091117728291910 ~1990
120130971681833599 ~1988
12013201720792078 ~1987
Exponent Prime Factor Digits Year
12013481720808878 ~1987
12013499240269998 ~1986
12013753720825198 ~1987
12013763240275278 ~1986
12013873720832398 ~1987
12014039240280798 ~1986
120142031201420319 ~1988
12014363240287278 ~1986
12014813720888798 ~1987
120148371682077199 ~1988
12015071240301438 ~1986
12015203240304078 ~1986
12015359240307198 ~1986
12015431240308638 ~1986
12015551240311038 ~1986
12015611240312238 ~1986
12015743240314878 ~1986
12015803240316078 ~1986
120159171682228399 ~1988
12016391240327838 ~1986
12016799240335998 ~1986
12016859240337198 ~1986
12017111240342238 ~1986
12017123240342478 ~1986
12017353721041198 ~1987
Exponent Prime Factor Digits Year
12017363240347278 ~1986
12017459240349198 ~1986
12017639240352798 ~1986
12018059240361198 ~1986
12018481721108878 ~1987
12018491240369838 ~1986
12018551240371038 ~1986
12019691240393838 ~1986
12020051961604098 ~1988
12020231240404638 ~1986
120219531683073439 ~1988
12021959240439198 ~1986
12022007961760578 ~1988
12022313721338798 ~1987
12022511240450238 ~1986
120226092644973999 ~1989
12022693721361598 ~1987
12023243240464878 ~1986
12023489961879138 ~1988
12023579240471598 ~1986
12023663240473278 ~1986
12023831240476638 ~1986
12024119240482398 ~1986
12024203240484078 ~1986
12024983240499678 ~1986
1127
GIMPS The Prime Pages FactorDb.com
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25-07-08