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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
5619701449576098 ~1985
5619919561991918 ~1985
5619983112399678 ~1984
5620091112401838 ~1984
5620271112405438 ~1984
56203396294779699 ~1988
5620451112409038 ~1984
5620453337227198 ~1985
5620493337229598 ~1985
5620709449656738 ~1985
5620799449663938 ~1985
5620913337254798 ~1985
5621437337286238 ~1985
5621471449717698 ~1985
5621687449734978 ~1985
5621753337305198 ~1985
5621857337311438 ~1985
5621873337312398 ~1985
5621899562189918 ~1985
5621939112438798 ~1984
5622059449764738 ~1985
5622251112445038 ~1984
5622319562231918 ~1985
5622473337348398 ~1985
5622479449798338 ~1985
Exp. Prime Factor Digits Year
5622497337349838 ~1985
5622899112457998 ~1984
5623099562309918 ~1985
5623193337391598 ~1985
56231931799421779
5623199112463998 ~1984
5623283112465678 ~1984
56232834498626419
5623301337398078 ~1985
56235433599067539 ~1987
5623619112472398 ~1984
56236191012251439
5624039112480798 ~1984
5624243112484878 ~1984
56243271012378879 ~1986
5624471112489438 ~1984
5624527899924338 ~1986
5624651449972098 ~1985
56250711012512799 ~1986
56254216637996799 ~1988
5625461450036898 ~1985
56254618888228399
5626051562605118 ~1985
5626079112521598 ~1984
5626151365699815110 ~1990
Exp. Prime Factor Digits Year
5626259112525198 ~1984
5626619112532398 ~1984
56267031462942799 ~1986
5626837337610238 ~1985
56269693601260179 ~1987
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
Exp. Prime Factor Digits Year
5629649450371938 ~1985
5629763112595278 ~1984
5630279450422338 ~1985
5630351112607038 ~1984
5630369450429538 ~1985
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
760
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26-04-05