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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.
Exponent Prime Factor Digits Year
127855031278550319 ~1988
12785653767139198 ~1988
12785681767140878 ~1988
12785693767141598 ~1988
12785777767146638 ~1988
12785939255718798 ~1987
12786097767165838 ~1988
12786311255726238 ~1987
12786479255729598 ~1987
12787319255746398 ~1987
12787409102299272110 ~1990
12787781767266878 ~1988
12788117767287038 ~1988
12788123255762478 ~1987
127883533836505919 ~1989
12788603255772078 ~1987
12788999255779998 ~1987
12789323255786478 ~1987
12789599255791998 ~1987
12789677767380638 ~1988
12789911255798238 ~1987
12790559255811198 ~1987
12790703255814078 ~1987
12790763255815278 ~1987
12790931255818638 ~1987
Exponent Prime Factor Digits Year
12790997767459838 ~1988
12791039255820798 ~1987
12791183255823678 ~1987
12791201767472078 ~1988
12791459255829198 ~1987
12791533767491998 ~1988
12791951255839038 ~1987
127920111023360899 ~1988
12792179255843598 ~1987
127921793070122979
12792337767540238 ~1988
12792401767544078 ~1988
12792431255848638 ~1987
12792803255856078 ~1987
12793283255865678 ~1987
127934091791077279 ~1989
12793463255869278 ~1987
12793691255873838 ~1987
12793751255875038 ~1987
12793871255877438 ~1987
12794051255881038 ~1987
127940716141154099 ~1990
127945191023561539 ~1988
127947015117880419 ~1990
12794921767695278 ~1988
Exponent Prime Factor Digits Year
12795131255902638 ~1987
12795361767721678 ~1988
12795617767737038 ~1988
12795677570687194310 ~1992
12796081767764878 ~1988
12796403255928078 ~1987
12796613767796798 ~1988
12797353767841198 ~1988
12797417767845038 ~1988
12797593767855598 ~1988
127976232047619699 ~1989
12798479255969598 ~1987
127988391023907139 ~1988
127992192303859439 ~1989
12799313767958798 ~1988
12799541767972478 ~1988
12799573767974398 ~1988
127997691791967679 ~1989
127998117167894179 ~1990
128002871280028719 ~1988
12800831256016638 ~1987
12800941768056478 ~1988
12801083256021678 ~1987
128014491792202879 ~1989
12801479256029598 ~1987
Exponent Prime Factor Digits Year
12801577768094638 ~1988
128016471024131779 ~1988
128018211024145699 ~1988
12801923256038478 ~1987
128021712048347379 ~1989
12802193768131598 ~1988
12802199256043998 ~1987
12802403256048078 ~1987
12802781768166878 ~1988
12802793768167598 ~1988
12802987176681220710 ~1991
128030711280307119 ~1988
12804251256085038 ~1987
12804371256087438 ~1987
12804433768265998 ~1988
128046071280460719 ~1988
128052791280527919 ~1988
12805703256114078 ~1987
12805763256115278 ~1987
12805823256116478 ~1987
12806099256121998 ~1987
12806173768370398 ~1988
128062491792874879 ~1989
12806597768395838 ~1988
12807013768420798 ~1988
1220
GIMPS The Prime Pages FactorDb.com
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26-04-05