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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
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
6198677495894178 ~1986
6198901371934078 ~1985
6199031123980638 ~1984
6199321371959278 ~1985
6199337867907198 ~1986
6199399619939918 ~1986
6199547495963778 ~1986
6199559123991198 ~1984
6199601371976078 ~1985
6199691123993838 ~1984
6199691495975298
Exp. Prime Factor Digits Year
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
6200923992147698 ~1986
6200951124019038 ~1984
6200981372058878 ~1985
6201161496092898 ~1986
6201323124026478 ~1984
6201323138909635310
6201401372084078 ~1985
6201497496119778 ~1986
6201599124031998 ~1984
6201869496149538 ~1986
6202013372120798 ~1985
Exp. Prime Factor Digits Year
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
6203359620335918 ~1986
6203579124071598 ~1984
62037892977818739 ~1987
6203819124076398 ~1984
6203849868538878 ~1986
6203863620386318 ~1986
6204059124081198 ~1984
6204119124082398 ~1984
6204179124083598 ~1984
62043113102155519 ~1987
6204563124091278 ~1984
Exp. Prime Factor Digits Year
6204941496395298 ~1986
6204973372298398 ~1985
6205079124101598 ~1984
6205291620529118 ~1986
6205481496438498 ~1986
6205583124111678 ~1984
6205931124118638 ~1984
6206111496488898 ~1986
6206227620622718 ~1986
62064131489539139 ~1987
6206429868900078 ~1986
6206437993029938 ~1986
6206461372387678 ~1985
62065071117171279 ~1986
6206653372399198 ~1985
6207143124142878 ~1984
6207197496575778 ~1986
6207259253256167310 ~1990
62072835089972079 ~1988
6207371496589698 ~1986
6207599124151998 ~1984
6207671124153438 ~1984
6207821372469278 ~1985
6208127496650178 ~1986
6208337372500238 ~1985
791
GIMPS The Prime Pages FactorDb.com
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25-11-02