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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
28867031577340638 ~1989
28867379577347598 ~1989
28867523577350478 ~1989
288678772309430179 ~1991
288681534041541439 ~1991
28868831577376638 ~1989
28869023577380478 ~1989
288690731732144399 ~1990
28869551577391038 ~1989
28869983577399678 ~1989
288704772904369986311 ~1996
288710571732263439 ~1990
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
Exponent Prime Factor Digits Year
288748192309985539 ~1991
28875083577501678 ~1989
288756475197616479 ~1992
28875659577513198 ~1989
28877363577547278 ~1989
288782812310262499 ~1991
28878683577573678 ~1989
28878881225255271910 ~1993
288793274620692339 ~1991
288798312887983119 ~1991
28880639577612798 ~1989
28880759577615198 ~1989
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
Exponent Prime Factor Digits Year
28883903577678078 ~1989
28884263577685278 ~1989
288848572310788579 ~1991
28884983577699678 ~1989
28885403577708078 ~1989
288856514621704179 ~1991
28886003577720078 ~1989
288860698665820719 ~1992
28886339577726798 ~1989
28886831577736638 ~1989
28888511577770238 ~1989
28889351577787038 ~1989
288895032888950319 ~1991
28889639577792798 ~1989
28889879577797598 ~1989
28889963577799278 ~1989
28890551577811038 ~1989
28891199577823998 ~1989
28891631577832638 ~1989
28891679577833598 ~1989
28892291577845838 ~1989
28892399577847998 ~1989
28892723577854478 ~1989
28892999577859998 ~1989
288935037512310799 ~1992
Exponent Prime Factor Digits Year
288935171733611039 ~1990
28893703121353552710 ~1992
28893719577874398 ~1989
288941331733647999 ~1990
28895099577901998 ~1989
28895159577903198 ~1989
28895519577910398 ~1989
28895543577910878 ~1989
288956092311648739 ~1991
28895819577916398 ~1989
28895963577919278 ~1989
28896299577925998 ~1989
28896971577939438 ~1989
288970272889702719 ~1991
28897091577941838 ~1989
28897391577947838 ~1989
28897439577948798 ~1989
28897751577955038 ~1989
288979192311833539 ~1991
28898459577969198 ~1989
288987772311902179 ~1991
28898783577975678 ~1989
28899011577980238 ~1989
28899179577983598 ~1989
28899263577985278 ~1989
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25-04-13