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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
40503371810067438 ~1990
40503731810074638 ~1990
40503779810075598 ~1990
40503803810076078 ~1990
405047772430286639 ~1992
40505099810101998 ~1990
40505243810104878 ~1990
40505651810113038 ~1990
405059114050591119 ~1992
40506023810120478 ~1990
40506143810122878 ~1990
40506239810124798 ~1990
40506419810128398 ~1990
40507331810146638 ~1990
40508243810164878 ~1990
40508771810175438 ~1990
40509299810185998 ~1990
40509779810195598 ~1990
40510163810203278 ~1990
405104873240838979 ~1992
40510919810218398 ~1990
40511351810227038 ~1990
405114532430687199 ~1992
40512203810244078 ~1990
40512239810244798 ~1990
Exponent Prime Factor Digits Year
405124193240993539 ~1992
40513163810263278 ~1990
40513619810272398 ~1990
40513799810275998 ~1990
40514291810285838 ~1990
40514543810290878 ~1990
405149772430898639 ~1992
40515179810303598 ~1990
40515599810311998 ~1990
405156772430940639 ~1992
40515731810314638 ~1990
40516211810324238 ~1990
405163197292937439 ~1993
40516403810328078 ~1990
405166313241330499 ~1992
40517231810344638 ~1990
40518059810361198 ~1990
40518239810364798 ~1990
405188339724519939 ~1993
40519679810393598 ~1990
405218932431313599 ~1992
40522379810447598 ~1990
405229034052290319 ~1992
40523363810467278 ~1990
40523531810470638 ~1990
Exponent Prime Factor Digits Year
40523579810471598 ~1990
40523771810475438 ~1990
40524299810485998 ~1990
40524479810489598 ~1990
40524623810492478 ~1990
40524779810495598 ~1990
40524779170204071910
40524839810496798 ~1990
40524899810497998 ~1990
40525403810508078 ~1990
40525799810515998 ~1990
405263239726317539 ~1993
40526399810527998 ~1990
40526879810537598 ~1990
405278273242226179 ~1992
40528259810565198 ~1990
40528511810570238 ~1990
40528751810575038 ~1990
40529039810580798 ~1990
40529543810590878 ~1990
40529999810599998 ~1990
40530419810608398 ~1990
40531019810620398 ~1990
40531619810632398 ~1990
40531691810633838 ~1990
Exponent Prime Factor Digits Year
405320273242562179 ~1992
40532603810652078 ~1990
40532951810659038 ~1990
40533263810665278 ~1990
40533743810674878 ~1990
40533791810675838 ~1990
40533803810676078 ~1990
405341273242730179 ~1992
40534883810697678 ~1990
40535279810705598 ~1990
40535399810707998 ~1990
40536059810721198 ~1990
405363194053631919 ~1992
40536323810726478 ~1990
40536383810727678 ~1990
40537019810740398 ~1990
40537439810748798 ~1990
40537559810751198 ~1990
40538159810763198 ~1990
40538243810764878 ~1990
40538363810767278 ~1990
40538423810768478 ~1990
405386839729283939 ~1993
405410932432465599 ~1992
405412394054123919 ~1992
2163
GIMPS The Prime Pages FactorDb.com
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26-08-02