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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
19603823392076478 ~1988
196040691568325539 ~1989
196041411176248479 ~1989
19604243392084878 ~1988
19604531392090638 ~1988
19604939392098798 ~1988
19604951392099038 ~1988
196055811176334879 ~1989
19605623392112478 ~1988
19605731392114638 ~1988
19605923392118478 ~1988
19606283392125678 ~1988
19606571392131438 ~1988
19607771392155438 ~1988
196080111568640899 ~1989
19608059392161198 ~1988
196080731176484399 ~1989
19608299392165998 ~1988
196083771176502639 ~1989
196087331176523999 ~1989
19608899392177998 ~1988
19609043392180878 ~1988
19609283392185678 ~1988
19609319392186398 ~1988
19609451392189038 ~1988
Exponent Prime Factor Digits Year
19609631392192638 ~1988
19610471392209438 ~1988
19610663392213278 ~1988
19610711392214238 ~1988
19610819392216398 ~1988
19611071392221438 ~1988
19611131392222638 ~1988
196121931176731599 ~1989
19612631109830733710 ~1991
19613003392260078 ~1988
196132491569059939 ~1989
19613939392278798 ~1988
196144331176865999 ~1989
19614911392298238 ~1988
19615019392300398 ~1988
19615091129459600710 ~1992
196152733138443699 ~1990
196153811176922879 ~1989
196156331176937999 ~1989
19616279392325598 ~1988
19616629184396312710 ~1992
196167611177005679 ~1989
19617023392340478 ~1988
196177513531195199 ~1990
19618451392369038 ~1988
Exponent Prime Factor Digits Year
19618523392370478 ~1988
19618883392377678 ~1988
196189611177137679 ~1989
19619339392386798 ~1988
196193931177163599 ~1989
19619423392388478 ~1988
196195311569562499 ~1989
19619591392391838 ~1988
196198391961983919 ~1990
19620059392401198 ~1988
19620143392402878 ~1988
19620383392407678 ~1988
19620719392414398 ~1988
196210611569684899 ~1989
196211531177269199 ~1989
19621463392429278 ~1988
196217332747042639 ~1990
196224411177346479 ~1989
196229511569836099 ~1989
19623419392468398 ~1988
196238591962385919 ~1990
19624499392489998 ~1988
19624571392491438 ~1988
196246071569968579 ~1989
19624799392495998 ~1988
Exponent Prime Factor Digits Year
196248891569991139 ~1989
19624931392498638 ~1988
196249611177497679 ~1989
19625159392503198 ~1988
19625519392510398 ~1988
19625951392519038 ~1988
196261331177567999 ~1989
19626311392526238 ~1988
196267813140284979 ~1990
19626863392537278 ~1988
196269919420955699 ~1991
19627631392552638 ~1988
19627691392553838 ~1988
196282913533092399 ~1990
19628639392572798 ~1988
196288571177731439 ~1989
196293311962933119 ~1990
19629383392587678 ~1988
196295871570366979 ~1989
19629803392596078 ~1988
196298811570390499 ~1989
19630031392600638 ~1988
19630283392605678 ~1988
19630343392606878 ~1988
196306731177840399 ~1989
1433
GIMPS The Prime Pages FactorDb.com
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25-08-20