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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
1982667623396533524710 ~2004
198273388915465324334312 ~2008
19827886071586230885711 ~2005
1982796083396559216710 ~2004
19828195131189691707911 ~2005
19828350971189701058311 ~2005
198289096711104189415312 ~2007
1982896319396579263910 ~2004
1982898503396579700710 ~2004
1982940623396588124710 ~2004
1982966039396593207910 ~2004
1982967719396593543910 ~2004
1982972039396594407910 ~2004
1982974403396594880710 ~2004
1983002363396600472710 ~2004
1983013163396602632710 ~2004
1983039731396607946310 ~2004
19830466491586437319311 ~2005
1983051263396610252710 ~2004
1983129419396625883910 ~2004
1983160871396632174310 ~2004
1983193211396638642310 ~2004
1983201299396640259910 ~2004
1983275771396655154310 ~2004
1983294023396658804710 ~2004
Exponent Prime Factor Digits Year
1983316319396663263910 ~2004
1983316943396663388710 ~2004
1983346643396669328710 ~2004
19833487611586679008911 ~2005
1983443471396688694310 ~2004
1983466703396693340710 ~2004
19836045171190162710311 ~2005
1983722243396744448710 ~2004
19839231531190353891911 ~2005
1983940019396788003910 ~2004
19840277231984027723111 ~2005
1984121879396824375910 ~2004
1984205339396841067910 ~2004
19844671271984467127111 ~2005
1984472519396894503910 ~2004
1984497059396899411910 ~2004
1984505459396901091910 ~2004
1984511423396902284710 ~2004
19846206071984620607111 ~2005
1984631651396926330310 ~2004
19846471213175435393711 ~2006
19846943511587755480911 ~2005
1984709159396941831910 ~2004
1984775459396955091910 ~2004
1984820171396964034310 ~2004
Exponent Prime Factor Digits Year
198496690928186530107912 ~2008
1985104991397020998310 ~2004
1985241539397048307910 ~2004
19852785913176445745711 ~2006
19853014213176482273711 ~2006
1985369759397073951910 ~2004
1985380763397076152710 ~2004
19853987771191239266311 ~2005
1985419391397083878310 ~2004
1985428583397085716710 ~2004
198543866912309719747912 ~2007
1985459783397091956710 ~2004
1985490779397098155910 ~2004
1985606099397121219910 ~2004
1985609471397121894310 ~2004
1985616791397123358310 ~2004
1985644679397128935910 ~2004
1985645111397129022310 ~2004
1985716283397143256710 ~2004
19857342591588587407311 ~2005
19860701092780498152711 ~2006
1986097931397219586310 ~2004
1986137291397227458310 ~2004
1986151691397230338310 ~2004
1986201611397240322310 ~2004
Exponent Prime Factor Digits Year
19862079313177932689711 ~2006
198623945979846826251912 ~2009
1986315263397263052710 ~2004
1986368903397273780710 ~2004
19864385991589150879311 ~2005
19864726811191883608711 ~2005
1986479543397295908710 ~2004
1986524003397304800710 ~2004
1986712631397342526310 ~2004
1986731339397346267910 ~2004
1986788123397357624710 ~2004
1986842843397368568710 ~2004
19868758371192125502311 ~2005
19869001971589520157711 ~2005
1986948563397389712710 ~2004
1986966599397393319910 ~2004
1987066079397413215910 ~2004
19871157771589692621711 ~2005
19871549471987154947111 ~2005
1987169399397433879910 ~2004
19871985131192319107911 ~2005
19872410897948964356111 ~2007
19873803471589904277711 ~2005
1987506743397501348710 ~2004
1987571483397514296710 ~2004
4180
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26-03-15