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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
8085793485147598 ~1986
8086139646891138 ~1986
8086277646902178 ~1986
8086321485179278 ~1986
8086657485199438 ~1986
8086697485201838 ~1986
80868431293894899 ~1987
8086931161738638 ~1985
8087153485229198 ~1986
8087333485239998 ~1986
8087371109988245710 ~1989
8087477485248638 ~1986
8087591647007298 ~1986
80875912102773679
80877075337886639 ~1989
8087813485268798 ~1986
8087861647028898 ~1986
8087951161759038 ~1985
8088323161766478 ~1985
8088389647071138 ~1986
8088467647077378 ~1986
8088761647100898 ~1986
8089391161787838 ~1985
8089619161792398 ~1985
8089799161795998 ~1985
Exp. Prime Factor Digits Year
8090141485408478 ~1986
8090267647221378 ~1986
8090279161805598 ~1985
8090651161813038 ~1985
8090711161814238 ~1985
8090843161816878 ~1985
80909931132739039 ~1987
8091119161822398 ~1985
8091431161828638 ~1985
8091431647314498
8091491161829838 ~1985
8091617647329378 ~1986
80916791456502239 ~1987
8092109647368738 ~1986
80926571942237699 ~1988
8092811161856238 ~1985
8092817647425378 ~1986
8092919161858398 ~1985
8092967111682944710 ~1989
8093303161866078 ~1985
8093551809355118 ~1987
8093699161873998 ~1985
80937111456867999 ~1987
8094017647521378 ~1986
8094061485643678 ~1986
Exp. Prime Factor Digits Year
8094257647540578 ~1986
8094341485660478 ~1986
8094491161889838 ~1985
8094563161891278 ~1985
80949292590377299 ~1988
8095063155425209710 ~1990
80952315828566339 ~1989
8095259161905198 ~1985
8095343161906878 ~1985
8095441485726478 ~1986
80960411295366579 ~1987
8096171161923438 ~1985
8096183161923678 ~1985
8096197485771838 ~1986
8096381485782878 ~1986
8096533485791998 ~1986
8096999161939998 ~1985
8097143161942878 ~1985
8097161485829678 ~1986
8097361485841678 ~1986
8097581485854878 ~1986
80976372429291119 ~1988
8097697485861838 ~1986
8097941485876478 ~1986
80982531133755439 ~1987
Exp. Prime Factor Digits Year
80985372429561119 ~1988
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
899
GIMPS The Prime Pages FactorDb.com
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25-04-13