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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
126753672028058739 ~1989
126758331774616639 ~1989
126759132028146099 ~1989
12676019253520398 ~1986
12676043253520878 ~1986
12676259253525198 ~1986
126762591014100739
126763791014110339 ~1988
126768477099034339 ~1990
12676991253539838 ~1986
12677417760645038 ~1988
126776711267767119 ~1988
12678119253562398 ~1986
12678131253562638 ~1986
12678371253567438 ~1986
12678839253576798 ~1986
126793134057380179 ~1989
12679379253587598 ~1986
126794111267941119 ~1988
126801791268017919 ~1988
12680243253604878 ~1986
12680411253608238 ~1986
12680441760826478 ~1988
12680579253611598 ~1986
12680711253614238 ~1986
Exponent Prime Factor Digits Year
126820973804629119 ~1989
12682199253643998 ~1986
12682301760938078 ~1988
12682451253649038 ~1986
12682643253652878 ~1986
12682757760965438 ~1988
126829511268295119 ~1988
12682991253659838 ~1986
12683299296789196710 ~1992
12683999253679998 ~1986
12684323253686478 ~1986
126843891014751139 ~1988
126845573805367119 ~1989
12684773761086398 ~1988
12685199253703998 ~1986
12685273761116398 ~1988
12685481761128878 ~1988
12685501761130078 ~1988
12685643253712878 ~1986
12685763253715278 ~1986
12686039253720798 ~1986
12686111253722238 ~1986
126865873044780899 ~1989
12686759253735198 ~1986
126869871014958979 ~1988
Exponent Prime Factor Digits Year
126873794313708879 ~1989
126875511015004099 ~1988
12687599253751998 ~1986
12687683253753678 ~1986
12687803253756078 ~1986
12687971253759438 ~1986
12688693761321598 ~1988
126889271268892719 ~1988
12689003253780078 ~1986
12689057761343438 ~1988
12689401761364078 ~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
126921791269217919 ~1988
Exponent Prime Factor Digits Year
12693221761593278 ~1988
12693599253871998 ~1986
12693671253873438 ~1986
126940634315981439 ~1989
12694573761674398 ~1988
12694991253899838 ~1986
126953211015625699 ~1988
12695783253915678 ~1986
126959592285272639 ~1989
12696311253926238 ~1986
12696493761789598 ~1988
12696899253937998 ~1986
12696917761815038 ~1988
12696923253938478 ~1986
12697043253940878 ~1986
12697463253949278 ~1986
12697703253954078 ~1986
126977214063270739 ~1989
12697931253958638 ~1986
126979995079199619 ~1990
12698123253962478 ~1986
126982071015856579 ~1988
12698579253971598 ~1986
12698951253979038 ~1986
12699359253987198 ~1986
1197
GIMPS The Prime Pages FactorDb.com
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26-01-11