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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
403192612419155679 ~1992
40319771806395438 ~1990
40320803806416078 ~1990
40321811806436238 ~1990
40322819806456398 ~1990
40322939806458798 ~1990
403238873225910979 ~1992
40324499806489998 ~1990
40326311806526238 ~1990
403272012419632079 ~1992
40329323806586478 ~1990
40330079806601598 ~1990
40330679806613598 ~1990
40330991806619838 ~1990
40331639806632798 ~1990
40334291806685838 ~1990
40335389443689279110 ~1995
403365532420193199 ~1992
40338131806762638 ~1990
40338503806770078 ~1990
40339979806799598 ~1990
40340759806815198 ~1990
40342163806843278 ~1990
403436212420617279 ~1992
40344443806888878 ~1990
Exponent Prime Factor Digits Year
40344971806899438 ~1990
403451416455222579 ~1993
403468279683238499 ~1993
40349819806996398 ~1990
40351379807027598 ~1990
40351511807030238 ~1990
40352579807051598 ~1990
40352771807055438 ~1990
40353251807065038 ~1990
40353851807077038 ~1990
403545413228363299 ~1992
40355723807114478 ~1990
403557713228461699 ~1992
40355999807119998 ~1990
403563532421381199 ~1992
40356863807137278 ~1990
403570132421420799 ~1992
40357211807144238 ~1990
40357403807148078 ~1990
403581674035816719 ~1992
40361669153374342310 ~1994
40362851807257038 ~1990
40364039807280798 ~1990
40364591807291838 ~1990
40365911807318238 ~1990
Exponent Prime Factor Digits Year
40366031807320638 ~1990
403669013229352099 ~1992
403679812422078879 ~1992
40369919807398398 ~1990
40370329121110987110 ~1993
403712714037127119 ~1992
40371491807429838 ~1990
403716732422300399 ~1992
403720514037205119 ~1992
40372499807449998 ~1990
40374599807491998 ~1990
40375271807505438 ~1990
40375403807508078 ~1990
403761173230089379 ~1992
403767732422606399 ~1992
403770412422622479 ~1992
403783572422701439 ~1992
40378511807570238 ~1990
403791132422746799 ~1992
403795975653143599 ~1992
40380251807605038 ~1990
403810932422865599 ~1992
40381199807623998 ~1990
403818117268725999 ~1993
40382291807645838 ~1990
Exponent Prime Factor Digits Year
40383803807676078 ~1990
403842376461477939 ~1993
403846571809232633711 ~1996
403852495653934879 ~1992
40385291807705838 ~1990
403854732423128399 ~1992
40385783807715678 ~1990
40385903807718078 ~1990
40387783428110499910 ~1995
40387871807757438 ~1990
40391423807828478 ~1990
40391999807839998 ~1990
40392311807846238 ~1990
40392743807854878 ~1990
40394339807886798 ~1990
40396151807923038 ~1990
40397243807944878 ~1990
40397459807949198 ~1990
40398263105035483910 ~1993
403987132423922799 ~1992
403991597271848639 ~1993
403995773231966179 ~1992
40401563808031278 ~1990
40402619808052398 ~1990
404027776464444339 ~1993
1958
GIMPS The Prime Pages FactorDb.com
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25-07-08