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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
43180919863618398 ~1991
43181219863624398 ~1991
43182299863645998 ~1991
431829473454635779 ~1992
43183163863663278 ~1991
43183463863669278 ~1991
43183583863671678 ~1991
431841713454733699 ~1992
43184423863688478 ~1991
431844593454756739 ~1992
431857572591145439 ~1992
431872576909961139 ~1993
43189199863783998 ~1991
43189739863794798 ~1991
43190663863813278 ~1991
431912234319122319 ~1992
43191311863826238 ~1991
43191719863834398 ~1991
43191931250513199910 ~1994
431933093455464739 ~1992
43194863863897278 ~1991
43195643863912878 ~1991
43197191863943838 ~1991
43198643863972878 ~1991
43199171863983438 ~1991
Exponent Prime Factor Digits Year
43199423863988478 ~1991
431997972591987839 ~1992
432001212592007279 ~1992
432002532592015199 ~1992
43200539864010798 ~1991
43201643864032878 ~1991
432045172592271039 ~1992
432048773456390179 ~1992
43205579864111598 ~1991
432058612592351679 ~1992
432073212592439279 ~1992
43207331864146638 ~1991
43208111864162238 ~1991
43209371864187438 ~1991
432094372592566239 ~1992
43211159864223198 ~1991
43211351864227038 ~1991
43211579864231598 ~1991
432116176913858739 ~1993
43212371864247438 ~1991
43213211864264238 ~1991
43215323864306478 ~1991
43215743864314878 ~1991
43215847103718032910 ~1993
43216741198797008710 ~1994
Exponent Prime Factor Digits Year
432171293457370339 ~1992
432173594321735919 ~1992
43217963864359278 ~1991
43220123864402478 ~1991
43220399864407998 ~1991
432213132593278799 ~1992
43221863864437278 ~1991
432233172593399039 ~1992
432236172593417039 ~1992
43223759864475198 ~1991
432262972593577839 ~1992
43226951864539038 ~1991
43229051864581038 ~1991
43229171864583438 ~1991
43229843864596878 ~1991
43230119864602398 ~1991
43230431864608638 ~1991
43232089103757013710 ~1993
43233059864661198 ~1991
43233299864665998 ~1991
432339019511458239 ~1993
432340073458720579 ~1992
43234577129703731110 ~1994
432346373458770979 ~1992
43235579864711598 ~1991
Exponent Prime Factor Digits Year
43236059864721198 ~1991
43236311864726238 ~1991
43237091864741838 ~1991
43237583864751678 ~1991
432378012594268079 ~1992
43237871864757438 ~1991
43238099864761998 ~1991
43238399864767998 ~1991
43239299864785998 ~1991
432404594324045919 ~1992
43241651864833038 ~1991
43243391864867838 ~1991
432437093459496739 ~1992
43245599864911998 ~1991
432457313459658499 ~1992
43245791864915838 ~1991
432466313459730499 ~1992
432466332594797999 ~1992
43247051864941038 ~1991
432484212594905279 ~1992
432503572595021439 ~1992
432504972595029839 ~1992
43250639865012798 ~1991
432506393460051139
43250723865014478 ~1991
2117
GIMPS The Prime Pages FactorDb.com
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26-02-08