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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
12682643253652878 ~1986
12682757760965438 ~1988
126829511268295119 ~1988
12682991253659838 ~1986
12683299296789196710 ~1992
12683401761004078 ~1988
12683999253679998 ~1986
12684323253686478 ~1986
126843891014751139 ~1988
126845573805367119 ~1989
12684773761086398 ~1988
12685199253703998 ~1986
12685273761116398 ~1988
12685481761128878 ~1988
12685501761130078 ~1988
12685643253712878 ~1986
12685763253715278 ~1986
12685861761151678 ~1988
12686039253720798 ~1986
12686081761164878 ~1988
12686111253722238 ~1986
126865873044780899 ~1989
12686759253735198 ~1986
126869871014958979 ~1988
126873794313708879 ~1990
Exponent Prime Factor Digits Year
126875511015004099 ~1988
12687599253751998 ~1986
12687683253753678 ~1986
12687803253756078 ~1986
12687971253759438 ~1986
12688177761290638 ~1988
12688693761321598 ~1988
126889271268892719 ~1988
12689003253780078 ~1986
12689057761343438 ~1988
12689401761364078 ~1988
12689581761374878 ~1988
12689639253792798 ~1986
12689711253794238 ~1986
12689783253795678 ~1986
126900171776602399 ~1989
12690061761403678 ~1988
12690263253805278 ~1986
12690473761428398 ~1988
12690731253814638 ~1986
12690763791903611310 ~1993
12690971253819438 ~1986
12691223253824478 ~1986
12691631253832638 ~1986
12691691253833838 ~1986
Exponent Prime Factor Digits Year
12691697761501838 ~1988
12691717761503038 ~1988
126921791269217919 ~1988
12692921761575278 ~1988
12693193761591598 ~1988
12693221761593278 ~1988
12693599253871998 ~1986
12693671253873438 ~1986
126940634315981439 ~1990
12694573761674398 ~1988
12694813761688798 ~1988
12694991253899838 ~1986
126949912285098399
126953211015625699 ~1988
12695783253915678 ~1986
126959592285272639 ~1989
12696193761771598 ~1988
12696311253926238 ~1986
12696493761789598 ~1988
12696899253937998 ~1986
12696917761815038 ~1988
12696923253938478 ~1986
12697043253940878 ~1986
12697463253949278 ~1986
12697703253954078 ~1986
Exponent Prime Factor Digits Year
126977214063270739 ~1989
12697931253958638 ~1986
126979995079199619 ~1990
12698123253962478 ~1986
126982071015856579 ~1988
12698579253971598 ~1986
12698951253979038 ~1986
12699359253987198 ~1986
126994311015954499 ~1988
12699443253988878 ~1986
12699461761967678 ~1988
12699551253991038 ~1986
127001415842064879 ~1990
12700643254012878 ~1986
127014411016115299 ~1988
12701917762115038 ~1988
12702161762129678 ~1988
12702181762130878 ~1988
12702197762131838 ~1988
127022892794503599 ~1989
12702311254046238 ~1986
12702373762142398 ~1988
12702419254048398 ~1986
127024911016199299 ~1988
12702797762167838 ~1988
1219
GIMPS The Prime Pages FactorDb.com
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26-05-03