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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.
Exp. Prime Factor Digits Year
9016921541015278 ~1987
90169212705076319
9017051180341038 ~1985
9017087721366978 ~1987
9017117541027038 ~1987
9017221541033278 ~1987
90172213606888419
9017363180347278 ~1985
9017423180348478 ~1985
9017707901770718 ~1987
9017717541063038 ~1987
9017773541066398 ~1987
9017891180357838 ~1985
9018059180361198 ~1985
9018223901822318 ~1987
9018263180365278 ~1985
9018379901837918 ~1987
9018479180369598 ~1985
9018671180373438 ~1985
9018853541131198 ~1987
9018887721510978 ~1987
90189731443035699 ~1988
9019331180386638 ~1985
9019583180391678 ~1985
9019799180395998 ~1985
Exp. Prime Factor Digits Year
9019987901998718 ~1987
9020027721602178 ~1987
9020051721604098 ~1987
9020057721604578 ~1987
9020203902020318 ~1987
9020279180405598 ~1985
9020339180406798 ~1985
9020819721665538 ~1987
9020831180416638 ~1985
9020857541251438 ~1987
90208731262922239 ~1987
90209871623777679 ~1988
9021119180422398 ~1985
9021251180425038 ~1985
90212531984675679 ~1988
90212696495313699 ~1989
9021541541292478 ~1987
9021893541313598 ~1987
90218932165254339
9021923180438478 ~1985
9021977541318638 ~1987
90220811984857839 ~1988
9022201541332078 ~1987
9022579902257918 ~1987
9022679180453598 ~1985
Exp. Prime Factor Digits Year
90228171263194399 ~1987
9023051180461038 ~1985
90230512887376339
9023083902308318 ~1987
9023093541385598 ~1987
9023099180461998 ~1985
9023101541386078 ~1987
90231111624159999 ~1988
9023159721852738 ~1987
9023543180470878 ~1985
9023897721911778 ~1987
90240115955847279 ~1989
90240795233965839 ~1989
90241211443859379 ~1988
9024137541448238 ~1987
9024347721947778 ~1987
9024577541474638 ~1987
9024593541475598 ~1987
90245931263443039
9024667902466718 ~1987
9024679902467918 ~1987
90247031443952499 ~1988
9024731180494638 ~1985
9024863180497278 ~1985
90251099386113379 ~1990
Exp. Prime Factor Digits Year
9025319180506398 ~1985
90254411444070579 ~1988
9025477541528638 ~1987
9025613541536798 ~1987
9026063180521278 ~1985
9026077541564638 ~1987
90261232346791999 ~1988
9026267722101378 ~1987
9026663180533278 ~1985
9026819180536398 ~1985
9026903180538078 ~1985
9027089722167138 ~1987
9027191722175298 ~1987
90274191624935439 ~1988
90274199388515779
9027443180548878 ~1985
90276531263871439 ~1987
9027803180556078 ~1985
9027839180556798 ~1985
9027923180558478 ~1985
9028247722259778 ~1987
9028273541696398 ~1987
9028337541700238 ~1987
9028337722266978
9028381541702878 ~1987
1026
GIMPS The Prime Pages FactorDb.com
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26-09-27