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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.
Exp. Prime Factor Digits Year
6192749495419938 ~1986
6192779123855598 ~1984
61927991114703839 ~1986
6192821495425698 ~1986
6192869495429538 ~1986
6192871990859378 ~1986
61930071114741279 ~1986
6193093371585598 ~1985
6193381371602878 ~1985
61938972973070579 ~1987
6194099123881998 ~1984
61941193964236179 ~1988
61941471610478239 ~1987
61943874088295439 ~1988
6194483123889678 ~1984
6194819123896398 ~1984
6194879123897598 ~1984
6194879495590338
61949115451521699 ~1988
6194939123898798 ~1984
6195419123908398 ~1984
6195481360576994310 ~1990
6195601371736078 ~1985
6195823619582318 ~1986
6195863123917278 ~1984
Exp. Prime Factor Digits Year
6196027619602718 ~1986
6196273371776398 ~1985
6196277371776638 ~1985
6196397495711778 ~1986
6196417371785038 ~1985
6196439123928798 ~1984
6196537991445938 ~1986
61965711982902739 ~1987
61966691363267199 ~1987
61967391487217379 ~1987
6196819619681918 ~1986
6197099123941998 ~1984
61972511115505199 ~1986
6197431991588978 ~1986
6197641371858478 ~1985
6197651495812098 ~1986
6197717495817378 ~1986
6197963123959278 ~1984
6198119123962398 ~1984
6198209495856738 ~1986
6198239123964798 ~1984
61984638429909699 ~1989
6198497867789598 ~1986
6198587495886978 ~1986
6198653142569019110 ~1989
Exp. Prime Factor Digits Year
6198677495894178 ~1986
6198901371934078 ~1985
6199031123980638 ~1984
6199321371959278 ~1985
6199337867907198 ~1986
6199399619939918 ~1986
6199547495963778 ~1986
6199559123991198 ~1984
6199601371976078 ~1985
6199691123993838 ~1984
6199691495975298
6199751123995038 ~1984
6199771619977118 ~1986
6199777371986638 ~1985
6199807619980718 ~1986
6199927619992718 ~1986
6199981371998878 ~1985
6200063124001278 ~1984
6200141372008478 ~1985
6200353992056498 ~1986
6200507496040578 ~1986
6200581372034878 ~1985
62006531364143679 ~1987
6200807496064578 ~1986
6200861496068898 ~1986
Exp. Prime Factor Digits Year
6200923992147698 ~1986
6200951124019038 ~1984
6200981372058878 ~1985
6201161496092898 ~1986
6201323124026478 ~1984
6201323138909635310
6201401372084078 ~1985
6201497496119778 ~1986
6201599124031998 ~1984
6201869496149538 ~1986
6202013372120798 ~1985
6202159125283611910 ~1989
62022371488536899 ~1987
62022371860671119
6202243322516636110 ~1990
62023491488563779 ~1987
6202393992382898 ~1986
6202403124048078 ~1984
6202487496198978 ~1986
6202583124051678 ~1984
6202687620268718 ~1986
6202733868382638 ~1986
6202783620278318 ~1986
6202901372174078 ~1985
6202901496232098
785
GIMPS The Prime Pages FactorDb.com
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25-09-07