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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
7331447586515778 ~1986
7331537439892238 ~1986
7331591586527298 ~1986
7331771146635438 ~1985
7331923733192318 ~1986
73319993079439599 ~1988
73321872492943599 ~1988
7332551146651038 ~1985
7332713439962798 ~1986
7332847733284718 ~1986
73329471906566239 ~1987
7332971146659438 ~1985
7333057439983438 ~1986
7333687733368718 ~1986
73340231173443699 ~1987
7334291146685838 ~1985
7334753440085198 ~1986
7334759146695198 ~1985
7334759586780738
7334839733483918 ~1986
7335221374096271110 ~1991
7335283733528318 ~1986
73353535281454179 ~1988
7335481440128878 ~1986
73354812200644319
Exp. Prime Factor Digits Year
7335611586848898 ~1986
7335743146714878 ~1985
73366573374862239 ~1988
7336691146733838 ~1985
73367331027142639 ~1987
7336799146735998 ~1985
7336873440212398 ~1986
73370091027181279 ~1987
7337279146745598 ~1985
7337327586986178 ~1986
7337339586987138 ~1986
7337357440241438 ~1986
73373572201207119
7337717587017378 ~1986
7337723146754478 ~1985
7337909587032738 ~1986
73379092201372719
7338059146761198 ~1985
7338119146762398 ~1985
73382111320877999 ~1987
73382171174114739 ~1987
7338293440297598 ~1986
7338371146767438 ~1985
73383771027372799 ~1987
7338431146768638 ~1985
Exp. Prime Factor Digits Year
7339447733944718 ~1986
7339559587164738 ~1986
7339583146791678 ~1985
7339751146795038 ~1985
7339763146795278 ~1985
73401012202030319 ~1988
73401171027616399 ~1987
7340159146803198 ~1985
73402971027641599 ~1987
73403092202092719 ~1988
7340363146807278 ~1985
73407171027700399 ~1987
7340833440449998 ~1986
7340867587269378 ~1986
7341023146820478 ~1985
7341143146822878 ~1985
7341359146827198 ~1985
7341359587308738
7341461587316898 ~1986
7341539146830798 ~1985
7341647587331778 ~1986
73416891762005379 ~1987
7342087734208718 ~1986
73421034845787999 ~1988
7342193440531598 ~1986
Exp. Prime Factor Digits Year
73422012936880419 ~1988
7342393440543598 ~1986
73424095727079039 ~1989
7342513440550798 ~1986
7342787123358821710 ~1989
73428311174852979 ~1987
73430231174883699 ~1987
7343053440583198 ~1986
7343183146863678 ~1985
7343263734326318 ~1986
7343333440599998 ~1986
7344251146885038 ~1985
7344503146890078 ~1985
7344553440673198 ~1986
7344853440691198 ~1986
7344983146899678 ~1985
7345049587603938 ~1986
7345097440705838 ~1986
7345141440708478 ~1986
7345631146912638 ~1985
7345777440746638 ~1986
7345823146916478 ~1985
7345931146918638 ~1985
7345937440756238 ~1986
73459371028431199
887
GIMPS The Prime Pages FactorDb.com
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26-03-08