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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
62775011004400179 ~1986
6277559125551198 ~1984
6277639627763918 ~1986
6277727502218178 ~1986
62778893390060079 ~1988
62780531004488499 ~1986
6278099125561998 ~1984
6278179627817918 ~1986
6278231125564638 ~1984
6278243125564878 ~1984
62784971883549119 ~1987
62785132009124179 ~1987
6278527627852718 ~1986
6278561376713678 ~1985
6278681376720878 ~1985
6279197502335778 ~1986
6279257502340578 ~1986
6279263125585278 ~1984
6279551125591038 ~1984
6279803125596078 ~1984
6279941376796478 ~1985
6280091125601838 ~1984
6280147628014718 ~1986
6280441376826478 ~1985
6280511125610238 ~1984
Exp. Prime Factor Digits Year
6280777376846638 ~1985
6281161376869678 ~1985
6281239628123918 ~1986
6281339125626798 ~1984
6281459125629198 ~1984
6281519125630398 ~1984
62815792638263199 ~1987
6281591125631838 ~1984
62819092010210899 ~1987
62819271507662499 ~1987
6282071125641438 ~1984
6282377502590178 ~1986
62829611005273779 ~1986
6283019502641538 ~1986
6283157376989438 ~1985
6283253879655438 ~1986
6283273376996398 ~1985
6283331125666638 ~1984
6283379125667598 ~1984
6283811125676238 ~1984
6283841502707298 ~1986
6284017377041038 ~1985
6284123125682478 ~1984
6284527628452718 ~1986
6284549502763938 ~1986
Exp. Prime Factor Digits Year
6284717377083038 ~1985
6284903125698078 ~1984
62852771005644339 ~1986
62855271131394879 ~1986
6285557502844578 ~1986
6285613377136798 ~1985
6285659125713198 ~1984
6285791125715838 ~1984
6285841377150478 ~1985
6285931628593118 ~1986
6286019502881538 ~1986
62862291508694979 ~1987
6286331125726638 ~1984
6286339628633918 ~1986
6286507628650718 ~1986
6286697377201838 ~1985
6287033377221998 ~1985
6287179628717918 ~1986
6287273377236398 ~1985
6287459502996738 ~1986
6287573377254398 ~1985
6287581377254878 ~1985
6287639125752798 ~1984
6287783125755678 ~1984
6287849503027938 ~1986
Exp. Prime Factor Digits Year
6287893377273598 ~1985
6288119503049538 ~1986
62881998174658719 ~1989
6288311125766238 ~1984
62883131383428879 ~1987
6288323125766478 ~1984
62883491509203779 ~1987
6288511628851118 ~1986
6288613377316798 ~1985
6288781377326878 ~1985
62887811006204979
62889416037383379 ~1988
6289091125781838 ~1984
6289229503138338 ~1986
62892371509416899 ~1987
6289469503157538 ~1986
6289601503168098 ~1986
6289697503175778 ~1986
6289783628978318 ~1986
6289841377390478 ~1985
6289939628993918 ~1986
6289957377397438 ~1985
6290021503201698 ~1986
6290243125804878 ~1984
6290327503226178 ~1986
815
GIMPS The Prime Pages FactorDb.com
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26-05-10