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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
465488772792932639 ~1992
46549463930989278 ~1991
46549931930998638 ~1991
465505493724043939 ~1992
465509237448147699 ~1993
465528612793171679 ~1992
46553651931073038 ~1991
46554023931080478 ~1991
46554971931099438 ~1991
465567532793405199 ~1992
46557323931146478 ~1991
46560323931206478 ~1991
465621612793729679 ~1992
465632273725058179 ~1992
465635332793811999 ~1992
46564223931284478 ~1991
465649634656496319 ~1993
46565699931313998 ~1991
465661612793969679 ~1992
46566623931332478 ~1991
46568279931365598 ~1991
46568843931376878 ~1991
46569203931384078 ~1991
46570151931403038 ~1991
46570343931406878 ~1991
Exponent Prime Factor Digits Year
465704932794229599 ~1992
465722213725777699 ~1992
465722598383006639 ~1993
46572563931451278 ~1991
465749813725998499 ~1992
465761393726091139 ~1992
46578221149050307310 ~1994
46578803931576078 ~1991
46579283931585678 ~1991
46580279931605598 ~1991
465809212794855279 ~1992
46581959931639198 ~1991
46582453326077171110 ~1995
46583279931665598 ~1991
465857834658578319 ~1993
46585943931718878 ~1991
465866932795201599 ~1992
46588403931768078 ~1991
46588499931769998 ~1991
46588739931774798 ~1991
46589663931793278 ~1991
465898493727187939 ~1992
465903773727230179 ~1992
46590623931812478 ~1991
46590653149090089710 ~1994
Exponent Prime Factor Digits Year
46591463931829278 ~1991
46591799931835998 ~1991
465919037454704499 ~1993
465921674659216719 ~1993
465923412795540479 ~1992
46593803931876078 ~1991
46594549139783647110 ~1994
465945896523242479 ~1993
465955612795733679 ~1992
46596383931927678 ~1991
465984773727878179 ~1992
46599521372796168110 ~1995
46600199932003998 ~1991
46602323932046478 ~1991
466030493728243939 ~1992
46603079932061598 ~1991
46603811932076238 ~1991
466046518388837199 ~1993
46604699932093998 ~1991
46606151932123038 ~1991
46606271932125438 ~1991
46607063932141278 ~1991
466074674660746719 ~1993
46609691932193838 ~1991
46610051932201038 ~1991
Exponent Prime Factor Digits Year
46610423932208478 ~1991
466108332796649999 ~1992
46614299932285998 ~1991
46614863932297278 ~1991
46615199932303998 ~1991
46616047158494559910 ~1994
46616051932321038 ~1991
46617671932353438 ~1991
466183932797103599 ~1992
466186337458981299 ~1993
46619123932382478 ~1991
46619291932385838 ~1991
46619879932397598 ~1991
466215377459445939 ~1993
46622003932440078 ~1991
46622123932442478 ~1991
46622291932445838 ~1991
46622413111893791310 ~1994
466236794662367919 ~1993
46624751932495038 ~1991
46625171932503438 ~1991
466264732797588399 ~1992
46626479932529598 ~1991
466275194662751919 ~1993
46628423932568478 ~1991
2006
GIMPS The Prime Pages FactorDb.com
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25-05-04