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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
40494563809891278 ~1990
404951416479222579 ~1993
404959139719019139 ~1993
40497251809945038 ~1990
40497599809951998 ~1990
40498019809960398 ~1990
40498163809963278 ~1990
40498739809974798 ~1990
40499639809992798 ~1990
404997412429984479 ~1992
40499843809996878 ~1990
40500359810007198 ~1990
40500703137702390310 ~1993
40500881291606343310 ~1994
40502519810050398 ~1990
405033173240265379 ~1992
405033473240267779 ~1992
405047772430286639 ~1992
40505099810101998 ~1990
405059114050591119 ~1992
40506143810122878 ~1990
40506239810124798 ~1990
40506419810128398 ~1990
40507331810146638 ~1990
40508243810164878 ~1990
Exponent Prime Factor Digits Year
40509779810195598 ~1990
405104873240838979 ~1992
40510919810218398 ~1990
405114532430687199 ~1992
40512239810244798 ~1990
405124193240993539 ~1992
40513163810263278 ~1990
405156772430940639 ~1992
40516211810324238 ~1990
405163197292937439 ~1993
405166313241330499 ~1992
40518059810361198 ~1990
40518239810364798 ~1990
405218932431313599 ~1992
405229034052290319 ~1992
40523531810470638 ~1990
40523771810475438 ~1990
40524479810489598 ~1990
40524779170204071910 ~1994
40525403810508078 ~1990
40525799810515998 ~1990
405263239726317539 ~1993
405278273242226179 ~1992
40529039810580798 ~1990
40529999810599998 ~1990
Exponent Prime Factor Digits Year
40531019810620398 ~1990
40531691810633838 ~1990
40532603810652078 ~1990
40533743810674878 ~1990
40533791810675838 ~1990
40533803810676078 ~1990
405341273242730179 ~1992
40535279810705598 ~1990
405363194053631919 ~1992
40536383810727678 ~1990
40537019810740398 ~1990
40538159810763198 ~1990
40538243810764878 ~1990
405386839729283939 ~1993
405410932432465599 ~1992
405412394054123919 ~1992
40542251810845038 ~1990
405423732432542399 ~1992
40544183810883678 ~1990
40545143810902878 ~1990
40545203810904078 ~1990
40545959810919198 ~1990
40546763810935278 ~1990
40546823810936478 ~1990
40547051810941038 ~1990
Exponent Prime Factor Digits Year
40547651810953038 ~1990
40549031810980638 ~1990
405490735676870239 ~1992
40549763810995278 ~1990
40549979810999598 ~1990
40550683137872322310 ~1993
40552103811042078 ~1990
40552559811051198 ~1990
40553603811072078 ~1990
40555019811100398 ~1990
405552018922144239 ~1993
405555173244441379 ~1992
40556591811131838 ~1990
405573132433438799 ~1992
40557719811154398 ~1990
40557983811159678 ~1990
40558151811163038 ~1990
40559411811188238 ~1990
40560203811204078 ~1990
40560673162242692110 ~1994
405627412433764479 ~1992
405631816490108979 ~1993
40565831811316638 ~1990
405661913245295299 ~1992
40566371811327438 ~1990
1945
GIMPS The Prime Pages FactorDb.com
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25-06-08