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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
513813711027627439 ~1991
513815031027630079 ~1991
513816231027632479 ~1991
513826995138269919 ~1993
513839631027679279 ~1991
513889213083335279 ~1992
513900231027800479 ~1991
513903795139037919 ~1993
513910373083462239 ~1992
513977391027954799 ~1991
513981591027963199 ~1991
513985191027970399 ~1991
513994311027988639 ~1991
513994974111959779 ~1993
513997911027995839 ~1991
513998391027996799 ~1991
51399893164479657710 ~1994
514000911028001839 ~1991
514021933084131599 ~1992
514023591028047199 ~1991
514028533084171199 ~1992
514038231028076479 ~1991
514039911028079839 ~1991
514041591028083199 ~1991
514048191028096399 ~1991
Exponent Prime Factor Digits Year
514058991028117999 ~1991
514068711028137439 ~1991
51406871246752980910
514078191028156399 ~1991
514091031028182079 ~1991
514110231028220479 ~1991
514130391028260799 ~1991
514130511028261039 ~1991
514138911028277839 ~1991
51414359503860718310 ~1995
514150431028300879 ~1991
514151391028302799 ~1991
514163031028326079 ~1991
514167231028334479 ~1991
51416819246800731310 ~1995
514172631028345279 ~1991
514189635141896319 ~1993
51419897740446516910 ~1996
514201791028403599 ~1991
514203711028407439 ~1991
514208991028417999 ~1991
514212831028425679 ~1991
514217031028434079 ~1991
514218173085309039 ~1992
514218733085312399 ~1992
Exponent Prime Factor Digits Year
514219431028438879 ~1991
514226991028453999 ~1991
514248711028497439 ~1991
51425083123420199310 ~1994
514268991028537999 ~1991
514287438228598899 ~1993
514288791028577599 ~1991
51430013154290039110 ~1994
514318431028636879 ~1991
514323711028647439 ~1991
514326591028653199 ~1991
514328835143288319 ~1993
514333791028667599 ~1991
514337991028675999 ~1991
51433913154301739110 ~1994
514357431028714879 ~1991
514367991028735999 ~1991
514372191028744399 ~1991
514381191028762399 ~1991
514401111028802239 ~1991
514410231028820479 ~1991
514415031028830079 ~1991
514426191028852399 ~1991
514441191028882399 ~1991
514446711028893439 ~1991
Exponent Prime Factor Digits Year
514448631028897279 ~1991
51445579246938779310 ~1995
514456431028912879 ~1991
514459911028919839 ~1991
514462374115698979 ~1993
514465791028931599 ~1991
514468911028937839 ~1991
514469595144695919 ~1993
51447061205788244110 ~1994
514475519260559199 ~1994
514490813086944879 ~1992
514492133086952799 ~1992
514496173086977039 ~1992
514501311029002639 ~1991
51450593123481423310 ~1994
514516191029032399 ~1991
514520991029041999 ~1991
51452617154357851110 ~1994
514539711029079439 ~1991
514553991029107999 ~1991
514556391029112799 ~1991
514573133087438799 ~1992
514591133087546799 ~1992
514605018233680179 ~1993
51461197123506872910 ~1994
2257
GIMPS The Prime Pages FactorDb.com
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26-03-29