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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
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
6211619496929538
62116191490788579
6211631124232638 ~1984
6211703124234078 ~1984
Exp. Prime Factor Digits Year
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
6214837372890238 ~1985
6214931124298638 ~1984
62149311988777939
Exp. Prime Factor Digits Year
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
6218357870569998 ~1986
62184171865525119 ~1987
62185392114303279 ~1987
Exp. Prime Factor Digits Year
6218759124375198 ~1984
6219041373142478 ~1985
62192871119471679 ~1986
6219371124387438 ~1984
6219443124388878 ~1984
6219847621984718 ~1986
6219971497597698 ~1986
62203991119671839 ~1986
6220457497636578 ~1986
6220633373237998 ~1985
6220751124415038 ~1984
6220817497665378 ~1986
6221077373264638 ~1985
62211233483828899 ~1988
6221161995385778 ~1986
6221309388209681710 ~1990
6221543124430878 ~1984
6221693871037038 ~1986
6221833373309998 ~1985
6221951124439038 ~1984
6221981497758498 ~1986
6222011124440238 ~1984
6222113373326798 ~1985
6222383124447678 ~1984
6222439622243918 ~1986
815
GIMPS The Prime Pages FactorDb.com
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26-07-05