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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
40813403816268078 ~1990
40813823816276478 ~1990
408148973265191779 ~1992
40815083816301678 ~1990
408152172448913039 ~1992
40815959816319198 ~1990
40816211816324238 ~1990
408162895714280479 ~1993
40816577489798924110 ~1995
40816631816332638 ~1990
40816859816337198 ~1990
40817279816345598 ~1990
40817531816350638 ~1990
40817951816359038 ~1990
40818131816362638 ~1990
408181317347263599
408188572449131439 ~1992
40819199816383998 ~1990
408194234081942319 ~1992
40820159816403198 ~1990
40820291816405838 ~1990
408210372449262239 ~1992
40821359816427198 ~1990
40822109587838369710 ~1995
408225772449354639 ~1992
Exponent Prime Factor Digits Year
40822823816456478 ~1990
40823663498048688710 ~1995
40823771816475438 ~1990
40824263816485278 ~1990
40824299816485998 ~1990
40824323816486478 ~1990
40824911816498238 ~1990
40825019816500398 ~1990
40825139816502798 ~1990
40825331816506638 ~1990
40825451816509038 ~1990
40825523816510478 ~1990
40825919816518398 ~1990
40827131816542638 ~1990
40827359816547198 ~1990
40827719816554398 ~1990
40828031816560638 ~1990
40828451816569038 ~1990
40828499816569998 ~1990
40828583816571678 ~1990
40828811816576238 ~1990
40828943816578878 ~1990
40829339816586798 ~1990
40829543816590878 ~1990
40829963816599278 ~1990
Exponent Prime Factor Digits Year
40830011816600238 ~1990
40830599816611998 ~1990
408306413266451299 ~1992
408307394083073919 ~1992
40830851816617038 ~1990
40831751816635038 ~1990
40832999816659998 ~1990
408331732449990399 ~1992
40833323816666478 ~1990
40833503816670078 ~1990
408335172450011039 ~1992
40833731816674638 ~1990
40833911816678238 ~1990
408342794083427919 ~1992
40834511816690238 ~1990
40835183816703678 ~1990
40835279816705598 ~1990
408359412450156479 ~1992
40836179816723598 ~1990
40836311816726238 ~1990
408370332450221999 ~1992
40837091816741838 ~1990
408373098984207999 ~1993
40837319816746398 ~1990
40837343816746878 ~1990
Exponent Prime Factor Digits Year
40837871816757438 ~1990
40838123816762478 ~1990
40838579816771598 ~1990
408387372450324239 ~1992
40838783816775678 ~1990
40839251816785038 ~1990
40839371816787438 ~1990
40839503816790078 ~1990
40839671816793438 ~1990
40839719816794398 ~1990
40840379816807598 ~1990
40840619816812398 ~1990
408409514084095119 ~1992
40841639816832798 ~1990
40841891816837838 ~1990
40843091816861838 ~1990
40843199816863998 ~1990
40843703816874078 ~1990
40843931816878638 ~1990
40844519816890398 ~1990
40845251130704803310 ~1993
40845443816908878 ~1990
40845719816914398 ~1990
40845911816918238 ~1990
40846103816922078 ~1990
2181
GIMPS The Prime Pages FactorDb.com
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26-08-30