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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
495829372974976239 ~1992
49584383991687678 ~1991
49585691991713838 ~1991
49586711991734238 ~1991
49586891991737838 ~1991
495871212975227279 ~1992
49587731991754638 ~1991
49589651991793038 ~1991
49590371991807438 ~1991
495918893967351139 ~1993
495929573967436579 ~1993
49593143991862878 ~1991
49593311991866238 ~1991
49593839991876798 ~1991
49594943991898878 ~1991
495965572975793439 ~1992
49597139991942798 ~1991
49597259991945198 ~1991
49597979991959598 ~1991
49598519991970398 ~1991
49599551991991038 ~1991
49601243992024878 ~1991
49603523992070478 ~1991
49605923595271076110 ~1995
496076336945068639 ~1993
Exponent Prime Factor Digits Year
49610999992219998 ~1991
49611923992238478 ~1991
49612733426669503910 ~1995
496151096946115279 ~1993
49615463992309278 ~1991
49616111992322238 ~1991
49616579992331598 ~1991
49618451992369038 ~1991
49620299992405998 ~1991
49620443992408878 ~1991
49620911992418238 ~1991
49622399992447998 ~1991
49626911992538238 ~1991
49627703992554078 ~1991
49628459992569198 ~1991
496308772977852639 ~1992
49631303992626078 ~1991
496327878933901679 ~1993
49633043992660878 ~1991
49633679992673598 ~1991
49633763992675278 ~1991
49636019992720398 ~1991
49636843446731587110 ~1995
49637051992741038 ~1991
49640411992808238 ~1991
Exponent Prime Factor Digits Year
496417493971339939 ~1993
496424572978547439 ~1992
49645811992916238 ~1991
49646099992921998 ~1991
49647443158871817710 ~1994
49648199992963998 ~1991
496488532978931199 ~1992
49649423992988478 ~1991
49650119993002398 ~1991
49650791993015838 ~1991
49651559993031198 ~1991
49654837625650946310 ~1996
496553234965532319 ~1993
49655363993107278 ~1991
49655843993116878 ~1991
49658099993161998 ~1991
49658159993163198 ~1991
49658183993163678 ~1991
49659059993181198 ~1991
49659719993194398 ~1991
496600817945612979 ~1993
496603631638791979111 ~1997
49660631993212638 ~1991
49661663993233278 ~1991
496619932979719599 ~1992
Exponent Prime Factor Digits Year
49661999993239998 ~1991
496621332979727999 ~1992
496626532979759199 ~1992
49663319993266398 ~1991
496640532979843199 ~1992
49665179993303598 ~1991
49667699993353998 ~1991
496677773973422179 ~1993
49668469387414058310 ~1995
49670171993403438 ~1991
49670723993414478 ~1991
496717812980306879 ~1992
49672643993452878 ~1991
49673159993463198 ~1991
49674623993492478 ~1991
49675511993510238 ~1991
496763812980582879 ~1992
496766513974132099 ~1993
49678883993577678 ~1991
496802093974416739 ~1993
49683083993661678 ~1991
49684091993681838 ~1991
49685423993708478 ~1991
49685843993716878 ~1991
49685843158994697710
2189
GIMPS The Prime Pages FactorDb.com
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26-01-11