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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
560247133361482799 ~1993
560250591120501199 ~1992
560251573361509439 ~1993
560255031120510079 ~1992
560257791120515599 ~1992
560265831120531679 ~1992
56027549806796705710 ~1996
560328111120656239 ~1992
560333214482665699 ~1993
560333631120667279 ~1992
560356911120713839 ~1992
560362377845073199 ~1994
560380395603803919 ~1993
560391831120783679 ~1992
560398314483186499 ~1993
560405991120811999 ~1992
560435631120871279 ~1992
560454711120909439 ~1992
560455791120911599 ~1992
560477235604772319 ~1993
560481231120962479 ~1992
560483511120967039 ~1992
560487711120975439 ~1992
560489031120978079 ~1992
56049559100889206310 ~1994
Exponent Prime Factor Digits Year
56051269123312791910 ~1994
56052343134525623310 ~1994
560535831121071679 ~1992
560538831121077679 ~1992
560542791121085599 ~1992
560546391121092799 ~1992
560548911121097839 ~1992
560558031121116079 ~1992
560558937847825039 ~1994
560567511121135039 ~1992
560570631121141279 ~1992
560577413363464479 ~1993
560577414484619299
560591031121182079 ~1992
560599813363598879 ~1993
560601111121202239 ~1992
560611933363671599 ~1993
560614973363689839 ~1993
56061653583041191310 ~1996
560624031121248079 ~1992
560627631121255279 ~1992
560632074485056579 ~1993
560633031121266079 ~1992
560634591121269199 ~1992
560639115606391119 ~1993
Exponent Prime Factor Digits Year
56065621437311843910 ~1995
560672391121344799 ~1992
560672394485379139
560679231121358479 ~1992
560685111121370239 ~1992
560687511121375039 ~1992
560703173364219039 ~1993
560705511121411039 ~1992
560710191121420399 ~1992
560712591121425199 ~1992
560712711121425439 ~1992
560758933364553599 ~1993
560775831121551679 ~1992
560795391121590799 ~1992
560797035607970319 ~1993
560812275608122719 ~1993
560812431121624879 ~1992
560819991121639999 ~1992
56083463538401244910 ~1996
560835075608350719 ~1993
560842911121685839 ~1992
560845431121690879 ~1992
560851191121702399 ~1992
560857911121715839 ~1992
560859231121718479 ~1992
Exponent Prime Factor Digits Year
560869911121739839 ~1992
560877678974042739 ~1994
560878911121757839 ~1992
560882991121765999 ~1992
560886111121772239 ~1992
560888031121776079 ~1992
560904591121809199 ~1992
56090513314106872910 ~1995
560909773365458639 ~1993
560911311121822639 ~1992
560918631121837279 ~1992
560933631121867279 ~1992
560938791121877599 ~1992
560939631121879279 ~1992
560958414487667299 ~1993
560976831121953679 ~1992
560990631121981279 ~1992
560994231121988479 ~1992
561014031122028079 ~1992
561014778976236339 ~1994
56102699504924291110 ~1996
561036831122073679 ~1992
56104309123429479910 ~1994
561062991122125999 ~1992
56106871100992367910 ~1994
2223
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25-11-02