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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
28855283577105678 ~1989
288559019233888339 ~1992
28856291577125838 ~1989
288565931731395599 ~1990
28856759577135198 ~1989
28856819577136398 ~1989
28857359577147198 ~1989
28857443577148878 ~1989
28857623577152478 ~1989
288580036925920739 ~1992
28858499577169998 ~1989
28858751577175038 ~1989
28859459577189198 ~1989
28860131577202638 ~1989
28860323577206478 ~1989
28860599577211998 ~1989
28860731577214638 ~1989
28860983577219678 ~1989
28861559577231198 ~1989
28862303577246078 ~1989
28862579577251598 ~1989
28862759577255198 ~1989
28862783577255678 ~1989
288630971731785839 ~1990
28863119577262398 ~1989
Exponent Prime Factor Digits Year
28863491577269838 ~1989
28863899577277998 ~1989
288640492309123939 ~1991
288643612309148899 ~1991
28864499577289998 ~1989
28864523577290478 ~1989
28865051577301038 ~1989
28865519577310398 ~1989
28865591577311838 ~1989
28866011577320238 ~1989
28866083577321678 ~1989
28866371577327438 ~1989
28866599577331998 ~1989
28867031577340638 ~1989
28867379577347598 ~1989
28867523577350478 ~1989
288678772309430179 ~1991
288681534041541439 ~1991
28868831577376638 ~1989
28869023577380478 ~1989
288690731732144399 ~1990
28869551577391038 ~1989
28869983577399678 ~1989
288704772904369986311 ~1996
288710571732263439 ~1990
Exponent Prime Factor Digits Year
28871471577429438 ~1989
28871519577430398 ~1989
28871603577432078 ~1989
28871939577438798 ~1989
288720971732325839 ~1990
288729672887296719 ~1991
28872983577459678 ~1989
28873319577466398 ~1989
28873571577471438 ~1989
288740096929762179 ~1992
28874063577481278 ~1989
28874231577484638 ~1989
28874603577492078 ~1989
288748192309985539 ~1991
28875083577501678 ~1989
288756475197616479 ~1992
28875659577513198 ~1989
28877363577547278 ~1989
288782812310262499 ~1991
28878683577573678 ~1989
28878881225255271910 ~1993
288793274620692339 ~1991
288798312887983119 ~1991
28880639577612798 ~1989
28880759577615198 ~1989
Exponent Prime Factor Digits Year
28880783577615678 ~1989
28880843577616878 ~1989
28880963577619278 ~1989
28881059577621198 ~1989
28881383577627678 ~1989
28881431577628638 ~1989
28881791577635838 ~1989
28882151577643038 ~1989
28882499577649998 ~1989
288825371732952239 ~1990
28882943577658878 ~1989
28883339577666798 ~1989
28883891577677838 ~1989
28883903577678078 ~1989
28884263577685278 ~1989
288848572310788579 ~1991
28884983577699678 ~1989
28885403577708078 ~1989
288856514621704179 ~1991
28886003577720078 ~1989
288860698665820719 ~1992
28886339577726798 ~1989
28886831577736638 ~1989
28888511577770238 ~1989
28889351577787038 ~1989
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25-06-08