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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
31540643630812878 ~1990
315407272523258179 ~1991
31540823630816478 ~1990
31540991630819838 ~1990
315414171892485039 ~1991
31541591630831838 ~1990
31542083630841678 ~1990
31542419630848398 ~1990
315428272523426179 ~1991
31542911630858238 ~1990
31543079630861598 ~1990
31543103630862078 ~1990
31543331630866638 ~1990
31543643630872878 ~1990
31543751630875038 ~1990
31543871630877438 ~1990
315461812523694499 ~1991
315468313154683119 ~1991
31547063630941278 ~1990
31547459630949198 ~1990
31547531630950638 ~1990
31547591630951838 ~1990
315479331892875999 ~1991
31548983630979678 ~1990
315489971892939839 ~1991
Exponent Prime Factor Digits Year
315491811892950879 ~1991
31549439630988798 ~1990
31549691630993838 ~1990
31549751630995038 ~1990
31550063631001278 ~1990
31550339631006798 ~1990
31550471631009438 ~1990
31550723631014478 ~1990
31551203631024078 ~1990
31551671631033438 ~1990
31552919631058398 ~1990
31553183631063678 ~1990
31554899631097998 ~1990
31555031631100638 ~1990
31555211631104238 ~1990
31555319631106398 ~1990
31555631631112638 ~1990
31556243631124878 ~1990
31556303631126078 ~1990
31556771631135438 ~1990
31556939631138798 ~1990
31557479631149598 ~1990
31557671631153438 ~1990
31557731631154638 ~1990
31557791631155838 ~1990
Exponent Prime Factor Digits Year
315580131893480799 ~1991
31558223631164478 ~1990
31558283631165678 ~1990
31558463631169278 ~1990
31558619631172398 ~1990
315586336942899279 ~1992
31559219631184398 ~1990
31559639631192798 ~1990
31559831631196638 ~1990
31560239631204798 ~1990
31560251631205038 ~1990
31560299631205998 ~1990
315604331893625999 ~1991
31560863631217278 ~1990
31560911631218238 ~1990
31561199631223998 ~1990
31561391631227838 ~1990
315616974418637599 ~1992
315617115681107999 ~1992
31561823631236478 ~1990
31562137170435539910 ~1993
31563359631267198 ~1990
31563431631268638 ~1990
31563491631269838 ~1990
31564271631285438 ~1990
Exponent Prime Factor Digits Year
31564391631287838 ~1990
315649211893895279 ~1991
31564943631298878 ~1990
31565291631305838 ~1990
31566911631338238 ~1990
315675112525400899 ~1991
31567859631357198 ~1990
315691372525530979 ~1991
31569347915511063110 ~1995
315695997576703779 ~1992
31570151631403038 ~1990
31570223631404478 ~1990
31570499631409998 ~1990
31570843107340866310 ~1993
31570859631417198 ~1990
31571219631424398 ~1990
31571389170485500710 ~1993
31571399631427998 ~1990
31571591631431838 ~1990
315719934420079039 ~1992
31572371631447438 ~1990
31573523631470478 ~1990
31573819202072441710 ~1993
315740473157404719 ~1991
31574099631481998 ~1990
1805
GIMPS The Prime Pages FactorDb.com
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25-08-20