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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
571751039114350207910 ~1999
571772759114354551910 ~1999
5717908391944088852711 ~2002
571812539114362507910 ~1999
571819751114363950310 ~1999
571820441457456352910 ~2001
571830443114366088710 ~1999
571847831457478264910 ~2001
571849921343109952710 ~2001
571869671457495736910 ~2001
571869973343121983910 ~2001
571886039114377207910 ~1999
571899851114379970310 ~1999
571903259114380651910 ~1999
571932131114386426310 ~1999
571941959114388391910 ~1999
571946423114389284710 ~1999
571948043114389608710 ~1999
5719561311487085940711 ~2002
571964339114392867910 ~1999
571968337343181002310 ~2001
571987511114397502310 ~1999
572000939114400187910 ~1999
572001299114400259910 ~1999
572006833343204099910 ~2001
Exponent Prime Factor Digits Year
572008991114401798310 ~1999
572024171114404834310 ~1999
572033237343219942310 ~2001
5720413731716124119111 ~2002
572050907457640725710 ~2001
572053921343232352710 ~2001
572055623114411124710 ~1999
572063963114412792710 ~1999
572076119114415223910 ~1999
572090327457672261710 ~2001
572091791457673432910 ~2001
572100359114420071910 ~1999
572127551114425510310 ~1999
572140417343284250310 ~2001
572147341343288404710 ~2001
572153651114430730310 ~1999
572158703114431740710 ~1999
572159303114431860710 ~1999
572169817343301890310 ~2001
5721756411830962051311 ~2002
572177159114435431910 ~1999
572194223114438844710 ~1999
572195947915513515310 ~2002
572232161457785728910 ~2001
572240107572240107110 ~2001
Exponent Prime Factor Digits Year
5722426515493529449711 ~2004
572269619114453923910 ~1999
572275657343365394310 ~2001
572276477343365886310 ~2001
572302319114460463910 ~1999
572313613343388167910 ~2001
572313719114462743910 ~1999
572324003114464800710 ~1999
572366759114473351910 ~1999
572384303114476860710 ~1999
572392391114478478310 ~1999
572418683114483736710 ~1999
572421233801389726310 ~2001
572425523114485104710 ~1999
572443877343466326310 ~2001
572449259114489851910 ~1999
572454251457963400910 ~2001
572470123572470123110 ~2001
572482567572482567110 ~2001
572489243114497848710 ~1999
572503859114500771910 ~1999
5725451772290180708111 ~2003
572545763114509152710 ~1999
5726472791030765102311 ~2002
572660339114532067910 ~1999
Exponent Prime Factor Digits Year
572668199114533639910 ~1999
572669267458135413710 ~2001
572683031114536606310 ~1999
572690711114538142310 ~1999
572694677458155741710 ~2001
572705663114541132710 ~1999
572712071114542414310 ~1999
572745731114549146310 ~1999
572771579114554315910 ~1999
572784059114556811910 ~1999
572788571114557714310 ~1999
572792123114558424710 ~1999
572801653343680991910 ~2001
572805341458244272910 ~2001
572808419114561683910 ~1999
572825003114565000710 ~1999
572842883114568576710 ~1999
572851523114570304710 ~1999
572861287572861287110 ~2001
572865803114573160710 ~1999
572867773343720663910 ~2001
5728836771718651031111 ~2002
572890151114578030310 ~1999
572892553343735531910 ~2001
572899163114579832710 ~1999
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25-07-20