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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
403842376461477939 ~1993
40384499807689998 ~1990
403846571809232633711 ~1996
40384763807695278 ~1990
40384859807697198 ~1990
403852495653934879 ~1993
40385291807705838 ~1990
403854732423128399 ~1992
40385519807710398 ~1990
40385783807715678 ~1990
40385903807718078 ~1990
40386431807728638 ~1990
40386623807732478 ~1990
40386743807734878 ~1990
40387783428110499910 ~1995
40387871807757438 ~1990
40389071807781438 ~1990
40389119807782398 ~1990
40389731807794638 ~1990
40390463807809278 ~1990
40390583807811678 ~1990
40391423807828478 ~1990
40391579807831598 ~1990
40391723807834478 ~1990
40391999807839998 ~1990
Exponent Prime Factor Digits Year
40392251807845038 ~1990
40392311807846238 ~1990
40392743807854878 ~1990
40393571807871438 ~1990
40394219807884398 ~1990
40394339807886798 ~1990
40394663807893278 ~1990
40395191807903838 ~1990
40396151807923038 ~1990
40396259807925198 ~1990
40396883807937678 ~1990
40397243807944878 ~1990
40397459807949198 ~1990
40398263105035483910 ~1993
403987132423922799 ~1992
403991597271848639 ~1993
403995773231966179 ~1992
40399979807999598 ~1990
40401071808021438 ~1990
40401563808031278 ~1990
40402091808041838 ~1990
40402619808052398 ~1990
404027776464444339 ~1993
40403123808062478 ~1990
40403591808071838 ~1990
Exponent Prime Factor Digits Year
40403999808079998 ~1990
40404239808084798 ~1990
40404779808095598 ~1990
40404863808097278 ~1990
40405559808111198 ~1990
404065332424391999 ~1992
40406843808136878 ~1990
40407299808145998 ~1990
40408139808162798 ~1990
40408463808169278 ~1990
40409123808182478 ~1990
404094012424564079 ~1992
40409651808193038 ~1990
40410023105066059910 ~1993
40410263808205278 ~1990
404109593232876739 ~1992
40411583808231678 ~1990
40411919808238398 ~1990
40412231808244638 ~1990
40412279808245598 ~1990
404124612424747679 ~1992
40412891808257838 ~1990
40413179808263598 ~1990
40414943808298878 ~1990
40415891808317838 ~1990
Exponent Prime Factor Digits Year
40416179808323598 ~1990
40416683808333678 ~1990
40416731808334638 ~1990
40417259808345198 ~1990
40420091808401838 ~1990
404201573233612579 ~1992
404203132425218799 ~1992
40420379808407598 ~1990
40421123808422478 ~1990
404216532425299199 ~1992
40421819808436398 ~1990
40421891808437838 ~1990
40422779808455598 ~1990
40423451808469038 ~1990
40423931808478638 ~1990
40424123808482478 ~1990
40424243808484878 ~1990
40424399808487998 ~1990
40424711808494238 ~1990
40425263808505278 ~1990
40425839808516798 ~1990
404258997276661839 ~1993
40426679808533598 ~1990
40427171808543438 ~1990
40427879808557598 ~1990
2160
GIMPS The Prime Pages FactorDb.com
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26-08-02