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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
67995913108793460910 ~1994
679971591359943199 ~1992
679982391359964799 ~1992
679993311359986639 ~1992
679993911359987839 ~1992
680003334080019999 ~1993
68000641108801025710 ~1994
680013591360027199 ~1992
680029431360058879 ~1992
680038791360077599 ~1992
680041791360083599 ~1992
680062311360124639 ~1992
680068911360137839 ~1992
680080911360161839 ~1992
680084414080506479 ~1993
680086911360173839 ~1992
680107311360214639 ~1992
680120511360241039 ~1992
68012207448880566310 ~1996
680131911360263839 ~1992
680145591360291199 ~1992
680146191360292399 ~1992
680148111360296239 ~1992
680191311360382639 ~1992
680219631360439279 ~1992
Exponent Prime Factor Digits Year
680227431360454879 ~1992
680228031360456079 ~1992
680230191360460399 ~1992
680231991360463999 ~1992
68023831108838129710 ~1994
680245276802452719 ~1994
68024681204074043110 ~1995
680247831360495679 ~1992
680269431360538879 ~1992
680276214081657279 ~1993
680277831360555679 ~1992
680284791360569599 ~1992
680285236802852319 ~1994
680294631360589279 ~1992
680299014081794079 ~1993
680299191360598399 ~1992
680304111360608239 ~1992
680308574081851439 ~1993
68031527163275664910 ~1995
680350911360701839 ~1992
680351511360703039 ~1992
680373734082242399 ~1993
680374791360749599 ~1992
680382534082295199 ~1993
680395911360791839 ~1992
Exponent Prime Factor Digits Year
68040277163296664910 ~1995
680417031360834079 ~1992
680421711360843439 ~1992
680425311360850639 ~1992
680437191360874399 ~1992
680455311360910639 ~1992
680456174082737039 ~1993
680498095443984739 ~1994
68052403108883844910 ~1994
680550231361100479 ~1992
680561476805614719 ~1994
680564631361129279 ~1992
680565111361130239 ~1992
680566191361132399 ~1992
680570511361141039 ~1992
680582391361164799 ~1992
680585534083513199 ~1993
680590315444722499 ~1994
680615511361231039 ~1992
680645391361290799 ~1992
680674311361348639 ~1992
680705031361410079 ~1992
68071469217828700910 ~1995
680728195445825539 ~1994
680728214084369279 ~1993
Exponent Prime Factor Digits Year
680731911361463839 ~1992
680761191361522399 ~1992
680765534084593199 ~1993
680768631361537279 ~1992
680777391361554799 ~1992
680786511361573039 ~1992
680807511361615039 ~1992
680829614084977679 ~1993
68083063231482414310 ~1995
680842791361685599 ~1992
680868831361737679 ~1992
680908431361816879 ~1992
680912233881199711111 ~1998
680925374085552239 ~1993
680962214085773279 ~1993
680999031361998079 ~1992
681000231362000479 ~1992
681005511362011039 ~1992
681021591362043199 ~1992
68102791122585023910 ~1994
681058814086352879 ~1993
681073791362147599 ~1992
681083031362166079 ~1992
681102711362205439 ~1992
681107596811075919 ~1994
2208
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25-04-20