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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
513588733081532399 ~1992
513593937190315039 ~1993
513599991027199999 ~1991
513603591027207199 ~1991
513605631027211279 ~1991
513608391027216799 ~1991
513612231027224479 ~1991
513647631027295279 ~1991
513651591027303199 ~1991
513659479245870479 ~1994
513660111027320239 ~1991
51367391215743042310 ~1994
513694911027389839 ~1991
513712791027425599 ~1991
513720591027441199 ~1991
513722031027444079 ~1991
513729111027458239 ~1991
51373373154120119110 ~1994
513740773082444639 ~1992
513745911027491839 ~1991
513746235137462319 ~1993
513751014110008099 ~1993
513769431027538879 ~1991
513770991027541999 ~1991
513782937192961039 ~1993
Exponent Prime Factor Digits Year
513784431027568879 ~1991
513786231027572479 ~1991
513790933082745599 ~1992
513792013082752079 ~1992
513805573082833439 ~1992
513810591027621199 ~1991
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
Exponent Prime Factor Digits Year
514023591028047199 ~1991
514028533084171199 ~1992
514038231028076479 ~1991
514039911028079839 ~1991
514041591028083199 ~1991
514048191028096399 ~1991
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
Exponent Prime Factor Digits Year
514203711028407439 ~1991
514208991028417999 ~1991
514212831028425679 ~1991
514217031028434079 ~1991
514218173085309039 ~1992
514218733085312399 ~1992
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
2227
GIMPS The Prime Pages FactorDb.com
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26-02-08