Home e-mail
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
264128352825677 ~1981
2641313633915138 ~1984
2641337369787198 ~1983
2641543422646898 ~1983
264157152831437 ~1981
2641571211325698
264163152832637 ~1981
2641669581167198 ~1984
264173952834797 ~1981
2641739211339138
264203952840797 ~1981
2642201211376098 ~1983
2642323264232318 ~1983
264235152847037 ~1981
264248352849677 ~1981
2642797158567838 ~1982
2642987634316898 ~1984
2643073158584398 ~1982
2643097792929118 ~1984
264313152862637 ~1981
2643343264334318 ~1983
2643461793038318 ~1984
2643581158614878 ~1982
264367152873437 ~1981
2643913158634798 ~1982
Exp. Prime Factor Digits Year
26440434917919999 ~1986
2644073158644398 ~1982
2644127211530178 ~1983
264413952882797 ~1981
26441392115311219
2644157211532578 ~1983
2644157370181998
26441711745152879 ~1985
2644261158655678 ~1982
264440352888077 ~1981
26445132697403279 ~1985
2644613522575528910 ~1988
26446191269417139 ~1985
2644727211578178 ~1983
264475152895037 ~1981
26449212697819439 ~1985
264509952901997 ~1981
264517152903437 ~1981
2645221423235378 ~1983
2645221581948638
26453591058143619 ~1984
264539952907997 ~1981
2645431423268978 ~1983
2645561158733678 ~1982
2645561211644898
Exp. Prime Factor Digits Year
264565152913037 ~1981
264566352913277 ~1981
264571152914237 ~1981
2645723634973538 ~1984
2645809793742718 ~1984
264584352916877 ~1981
26458491005422639 ~1984
2645933635023938 ~1984
26459771693425299 ~1985
2645987635036898 ~1984
264607152921437 ~1981
2646227476320878 ~1984
26462331481890499 ~1985
264659952931997 ~1981
2646887635252898 ~1984
2646901158814078 ~1982
2646937158816238 ~1982
264703152940637 ~1981
2647097211767778 ~1983
26470972911806719
264725952945197 ~1981
2647331211786498 ~1983
26473431482512099 ~1985
26473611270733299 ~1985
2647367476526078 ~1984
Exp. Prime Factor Digits Year
26473911270747699 ~1985
2647397158843838 ~1982
2647481158848878 ~1982
264755952951197 ~1981
264764352952877 ~1981
2647751688415278 ~1984
264776352955277 ~1981
2647763635463138
2647769794330718 ~1984
2647873158872398 ~1982
264791952958397 ~1981
2648183688527598 ~1984
26482571218198239 ~1984
264835152967037 ~1981
264836352967277 ~1981
2648479635634978 ~1984
2648533158911998 ~1982
264887952977597 ~1981
2649067423850738 ~1983
264932352986477 ~1981
2649329370906078 ~1983
2649497158969838 ~1982
26494991536709439 ~1985
2649503688870798 ~1984
2649541158972478 ~1982
474
GIMPS The Prime Pages FactorDb.com
Home
5.486.313 digits 		e-mail
26-04-05