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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
56235433599067539 ~1987
5623577787300798 ~1986
5623619112472398 ~1984
56236191012251439
5623649787310878 ~1986
5624039112480798 ~1984
5624243112484878 ~1984
56243271012378879 ~1986
5624471112489438 ~1984
5624527899924338 ~1986
5624651449972098 ~1985
5624881157496668110 ~1989
56250711012512799 ~1986
56254216637996799 ~1988
5625461450036898 ~1985
56254618888228399
5625773787608238 ~1986
5626051562605118 ~1985
5626079112521598 ~1984
5626151365699815110 ~1990
5626259112525198 ~1984
5626619112532398 ~1984
56267031462942799 ~1986
5626837337610238 ~1985
56269693601260179 ~1987
Exp. Prime Factor Digits Year
56270091350482179 ~1986
5627053337623198 ~1985
5627177337630638 ~1985
5627197337631838 ~1985
5627519112550398 ~1984
5627641337658478 ~1985
5627717450217378 ~1985
56277172138532479
5627849450227938 ~1985
56281312701502899 ~1987
5628367562836718 ~1985
5628397337703838 ~1985
5628443112568878 ~1984
5628509450280738 ~1985
5628719112574398 ~1984
5628839112576798 ~1984
56288631801236179 ~1987
5629157337749438 ~1985
56292231351013539 ~1986
5629387562938718 ~1985
5629649450371938 ~1985
5629763112595278 ~1984
5630279450422338 ~1985
5630351112607038 ~1984
5630369450429538 ~1985
Exp. Prime Factor Digits Year
5630477337828638 ~1985
5630759112615198 ~1984
5631221450497698 ~1985
5631287450502978 ~1985
5631299112625998 ~1984
5631317788384398 ~1986
5631361901017778 ~1986
5631421337885278 ~1985
5631623112632478 ~1984
5631761450540898 ~1985
5631973337918398 ~1985
5632001337920078 ~1985
5632043112640878 ~1984
5632093337925598 ~1985
5632387563238718 ~1985
5632391112647838 ~1984
5632439112648798 ~1984
5632541337952478 ~1985
5632637337958238 ~1985
5632651563265118 ~1985
5632751112655038 ~1984
5632799112655998 ~1984
56328079012491219 ~1988
5632853337971198 ~1985
5632859450628738 ~1985
Exp. Prime Factor Digits Year
5632883112657678 ~1984
5632993901278898 ~1986
5633249788654878 ~1986
5633363112667278 ~1984
5633417788678398 ~1986
5633521338011278 ~1985
5633651112673038 ~1984
5633759112675198 ~1984
5633807450704578 ~1985
5633833338029998 ~1985
5634061338043678 ~1985
56340614056523939
5634257788795998 ~1986
5634427563442718 ~1985
5634617338077038 ~1985
56348172704712179 ~1987
56351411690542319 ~1987
5635243563524318 ~1985
5635291563529118 ~1985
5635297338117838 ~1985
5635417338125038 ~1985
56354296762514819 ~1988
5635499112709998 ~1984
5635499450839938
5635589788982478 ~1986
769
GIMPS The Prime Pages FactorDb.com
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26-07-19