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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
403365532420193199 ~1992
40338131806762638 ~1990
40338503806770078 ~1990
40339979806799598 ~1990
40340759806815198 ~1990
40342163806843278 ~1990
403436212420617279 ~1992
40344443806888878 ~1990
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
Exponent Prime Factor Digits Year
40357211807144238 ~1990
40357403807148078 ~1990
403581674035816719 ~1992
40361669153374342310 ~1994
40362851807257038 ~1990
40364039807280798 ~1990
40364591807291838 ~1990
40365911807318238 ~1990
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
Exponent Prime Factor Digits Year
40378511807570238 ~1990
403791132422746799 ~1992
403795975653143599 ~1992
40380251807605038 ~1990
403810932422865599 ~1992
40381199807623998 ~1990
403818117268725999 ~1993
40382291807645838 ~1990
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
Exponent Prime Factor Digits Year
40397459807949198 ~1990
40398263105035483910 ~1993
403987132423922799 ~1992
403995773231966179 ~1992
40401563808031278 ~1990
40402619808052398 ~1990
404027776464444339 ~1993
40403123808062478 ~1990
40403999808079998 ~1990
40404779808095598 ~1990
40405559808111198 ~1990
404065332424391999 ~1992
40408463808169278 ~1990
40409123808182478 ~1990
404094012424564079 ~1992
40409651808193038 ~1990
40410023105066059910 ~1993
40410263808205278 ~1990
40412279808245598 ~1990
404124612424747679 ~1992
40415891808317838 ~1990
40416179808323598 ~1990
40416683808333678 ~1990
40416731808334638 ~1990
40417259808345198 ~1990
1943
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25-06-08