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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
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
6208337496666978
62083517450021219 ~1988
6208379124167598 ~1984
6208619496689538 ~1986
Exp. Prime Factor Digits Year
6208661372519678 ~1985
6208733372523998 ~1985
6208831620883118 ~1986
62090232111067839 ~1987
6209039124180798 ~1984
62091831490203939 ~1987
6209299620929918 ~1986
6209309496744738 ~1986
6209837372590238 ~1985
6210041372602478 ~1985
6210053869407438 ~1986
6210353869449438 ~1986
62103531863105919
6210383124207678 ~1984
6210419124208398 ~1984
6210443124208878 ~1984
6210551124211038 ~1984
6210671496853698 ~1986
6210719124214398 ~1984
6210863124217278 ~1984
6211237372674238 ~1985
6211553372693198 ~1985
6211559124231198 ~1984
6211573372694398 ~1985
6211619124232398 ~1984
Exp. Prime Factor Digits Year
6211619496929538
6211631124232638 ~1984
6211703124234078 ~1984
6211757372705438 ~1985
6212113372726798 ~1985
6212159124243198 ~1984
6212243124244878 ~1984
6212543124250878 ~1984
6212669303178247310 ~1990
6212711124254238 ~1984
6212831124256638 ~1984
6212923621292318 ~1986
6213029497042338 ~1986
6213659124273198 ~1984
6213719124274398 ~1984
62139131864173919 ~1987
6214139124282798 ~1984
6214157109369163310 ~1989
6214319124286398 ~1984
6214421372865278 ~1985
6214441372866478 ~1985
6214441287107174310
62144711118604799 ~1986
62146991118645839 ~1986
6214751124295038 ~1984
Exp. Prime Factor Digits Year
6214837372890238 ~1985
6214931124298638 ~1984
62149311988777939
6215039124300798 ~1984
6215063124301278 ~1984
6215171124303438 ~1984
6215173372910398 ~1985
6215453372927198 ~1985
6215501372930078 ~1985
6215533372931998 ~1985
6215617372937038 ~1985
6216061372963678 ~1985
62162391989196499 ~1987
6216281497302498 ~1986
6216541447590952110 ~1990
6216697373001838 ~1985
6216733373003998 ~1985
6216761939974263310 ~1991
6216773373006398 ~1985
6216887497350978 ~1986
6217051994728178 ~1986
6217103124342078 ~1984
6217657373059438 ~1985
62179431989741779 ~1987
6218189497455138 ~1986
809
GIMPS The Prime Pages FactorDb.com
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26-05-03