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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
39682871793657438 ~1990
39683183793663678 ~1990
396837535555725439 ~1992
39683939793678798 ~1990
396848932381093599 ~1992
39685403698463092910 ~1995
39685643793712878 ~1990
396869213174953699 ~1992
396869873174958979 ~1992
39687671793753438 ~1990
396886612381319679 ~1992
39689183793783678 ~1990
39692519793850398 ~1990
39693539793870798 ~1990
396935812381614879 ~1992
396976873969768719 ~1992
39698339793966798 ~1990
39698699793973998 ~1990
39698903793978078 ~1990
39699059793981198 ~1990
39699503793990078 ~1990
397005979528143299 ~1993
39700949285846832910 ~1994
397021012382126079 ~1992
39702731794054638 ~1990
Exponent Prime Factor Digits Year
397027816352444979 ~1993
39703679794073598 ~1990
39704111794082238 ~1990
397049393176395139 ~1992
397050376352805939 ~1993
39705287190585377710 ~1994
39706091794121838 ~1990
39706259794125198 ~1990
397069432199764642311 ~1996
39707243794144878 ~1990
39707411794148238 ~1990
39707471794149438 ~1990
39708023794160478 ~1990
39708359794167198 ~1990
39709079794181598 ~1990
39709283794185678 ~1990
39709391794187838 ~1990
39710003794200078 ~1990
39710663794213278 ~1990
39711011794220238 ~1990
39712691794253838 ~1990
39714607667205397710 ~1995
39715499794309998 ~1990
39715919794318398 ~1990
397159332382955999 ~1992
Exponent Prime Factor Digits Year
397166713971667119 ~1992
397169093177352739 ~1992
39717179794343598 ~1990
39718439794368798 ~1990
39718883794377678 ~1990
397190772383144639 ~1992
397195033971950319 ~1992
39720683794413678 ~1990
39720731794414638 ~1990
39721043794420878 ~1990
39721739794434798 ~1990
39721859794437198 ~1990
397233372383400239 ~1992
397248132383488799 ~1992
397258313178066499 ~1992
39725879794517598 ~1990
39726503794530078 ~1990
397267636356282099 ~1993
39729743794594878 ~1990
397306313178450499 ~1992
397311016356976179 ~1993
397311713178493699 ~1992
39732443794648878 ~1990
39732503794650078 ~1990
397326916357230579 ~1993
Exponent Prime Factor Digits Year
397327612383965679 ~1992
397330732383984399 ~1992
39733163794663278 ~1990
39733643794672878 ~1990
397336973178695779 ~1992
39734099794681998 ~1990
39734399794687998 ~1990
39734483794689678 ~1990
397346572384079439 ~1992
397346573178772579
397368772384212639 ~1992
39736919794738398 ~1990
39737723794754478 ~1990
39739103794782078 ~1990
39740243794804878 ~1990
39740639794812798 ~1990
397407173179257379 ~1992
39740819794816398 ~1990
39741301190758244910 ~1994
39742259794845198 ~1990
397425013044275576711 ~1997
397425132384550799 ~1992
39743111794862238 ~1990
39743699794873998 ~1990
39744119794882398 ~1990
2048
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26-01-11