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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
25878971517579438 ~1989
25879523517590478 ~1989
258796811552780879 ~1990
25879943517598878 ~1989
25880639517612798 ~1989
258807411552844479 ~1990
258809171552855039 ~1990
258809174140946739
25881671517633438 ~1989
258822292070578339 ~1990
25882319517646398 ~1989
25882511517650238 ~1989
25882583517651678 ~1989
258834131553004799 ~1990
25885091517701838 ~1989
258852411553114479 ~1990
25885283517705678 ~1989
25885631517712638 ~1989
25885859517717198 ~1989
25886411517728238 ~1989
258864531553187199 ~1990
258865931553195599 ~1990
25886771517735438 ~1989
25887551517751038 ~1989
25888319517766398 ~1989
Exponent Prime Factor Digits Year
25888463517769278 ~1989
25888559517771198 ~1989
25888871517777438 ~1989
25889579517791598 ~1989
258895811553374879 ~1990
258897771553386639 ~1990
25890071517801438 ~1989
258902331553413999 ~1990
25890251517805038 ~1989
25891163517823278 ~1989
258916371553498239 ~1990
258928792071430339 ~1990
25892939517858798 ~1989
25894223517884478 ~1989
25894591108757282310 ~1992
258948672589486719 ~1991
25895279517905598 ~1989
258953392071627139 ~1990
258965092071720739 ~1990
25896683517933678 ~1989
25896719517934398 ~1989
25896863517937278 ~1989
25897523517950478 ~1989
25898231517964638 ~1989
25898459517969198 ~1989
Exponent Prime Factor Digits Year
25898591517971838 ~1989
25899239517984798 ~1989
25899323517986478 ~1989
25899719517994398 ~1989
258999173625988399 ~1991
259003611554021679 ~1990
259004992072039939 ~1990
25900559518011198 ~1989
25900739518014798 ~1989
25900811518016238 ~1989
25901003518020078 ~1989
259010211554061279 ~1990
25901171518023438 ~1989
259012011554072079 ~1990
259018571554111439 ~1990
25901891518037838 ~1989
25902323518046478 ~1989
25902659518053198 ~1989
25902683518053678 ~1989
25902731518054638 ~1989
25903079518061598 ~1989
259033032590330319 ~1991
25903331518066638 ~1989
259042131554252799 ~1990
25904303518086078 ~1989
Exponent Prime Factor Digits Year
25904471518089438 ~1989
25904639518092798 ~1989
25904759518095198 ~1989
259049931554299599 ~1990
259050974144815539 ~1991
25905359518107198 ~1989
25905623518112478 ~1989
259059412072475299 ~1990
25906379518127598 ~1989
25906451518129038 ~1989
25906739518134798 ~1989
259069612072556899 ~1990
25907291518145838 ~1989
25907639518152798 ~1989
25907891518157838 ~1989
25908599393810704910 ~1993
25908719518174398 ~1989
259089374145429939 ~1991
25909451518189038 ~1989
259102331554613999 ~1990
25910519518210398 ~1989
25910723518214478 ~1989
25912091518241838 ~1989
259121211554727279 ~1990
25912259518245198 ~1989
1601
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25-04-13