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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.
Exp. Prime Factor Digits Year
8091119161822398 ~1985
8091431161828638 ~1985
8091431647314498
8091491161829838 ~1985
8091617647329378 ~1986
80916791456502239 ~1987
8092109647368738 ~1986
80926571942237699 ~1988
8092661647412898 ~1986
8092811161856238 ~1985
8092817647425378 ~1986
8092919161858398 ~1985
8092967111682944710 ~1989
8093303161866078 ~1985
8093551809355118 ~1987
8093699161873998 ~1985
80937111456867999 ~1987
8094017647521378 ~1986
8094061485643678 ~1986
8094257647540578 ~1986
8094341485660478 ~1986
8094491161889838 ~1985
8094563161891278 ~1985
80949292590377299 ~1988
8095063155425209710 ~1990
Exp. Prime Factor Digits Year
80952315828566339 ~1989
8095259161905198 ~1985
8095343161906878 ~1985
8095441485726478 ~1986
8095469647637538 ~1986
80960411295366579 ~1987
8096171161923438 ~1985
8096183161923678 ~1985
8096197485771838 ~1986
8096219647697538 ~1986
8096381485782878 ~1986
8096533485791998 ~1986
8096999161939998 ~1985
8097077647766178 ~1986
8097143161942878 ~1985
8097161485829678 ~1986
8097361485841678 ~1986
8097581485854878 ~1986
80976372429291119 ~1988
8097697485861838 ~1986
8097941485876478 ~1986
8098091647847298 ~1986
80982531133755439 ~1987
8098367647869378 ~1986
80985372429561119 ~1988
Exp. Prime Factor Digits Year
8098619161972398 ~1985
8098897485933838 ~1986
8099141647931298 ~1986
80992195993422079 ~1989
8099363161987278 ~1985
80993872105840639 ~1988
8099419809941918 ~1987
8099537485972238 ~1986
8099603161992078 ~1985
8099771161995438 ~1985
8100097486005838 ~1986
81002171296034739 ~1987
8100359162007198 ~1985
8100413486024798 ~1986
8100419162008398 ~1985
8100629648050338 ~1986
8100637486038238 ~1986
8100731162014638 ~1985
8100803162016078 ~1985
8101031162020638 ~1985
81010571296169139 ~1987
8101133486067998 ~1986
8101283162025678 ~1985
8101637648130978 ~1986
8101811162036238 ~1985
Exp. Prime Factor Digits Year
8102441486146478 ~1986
8102459162049198 ~1985
8102579162051598 ~1985
8102639162052798 ~1985
8102713486162798 ~1986
8102723162054478 ~1985
8103071162061438 ~1985
8103083162061678 ~1985
8103187810318718 ~1987
8103239162064798 ~1985
8103311162066238 ~1985
8103323162066478 ~1985
8103553486213198 ~1986
81036311296580979 ~1987
8103761648300898 ~1986
8103941486236478 ~1986
8103983162079678 ~1985
8104559162091198 ~1985
8104619162092398 ~1985
81047531296760499 ~1987
8105051648404098 ~1986
8105063162101278 ~1985
8105099162101998 ~1985
8105261486315678 ~1986
8105599810559918 ~1987
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25-09-07