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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
24945923498918478 ~1989
24946391498927838 ~1989
24946451498929038 ~1989
24946979498939598 ~1989
24947183498943678 ~1989
249471891995775139 ~1990
24947843498956878 ~1989
24948251498965038 ~1989
24948551498971038 ~1989
249486971496921839 ~1990
24949139498982798 ~1989
249492291995938339 ~1990
24949703498994078 ~1989
24950111499002238 ~1989
24950603499012078 ~1989
24951263499025278 ~1989
249518331497109999 ~1990
249521811996174499 ~1990
24952283499045678 ~1989
24952451499049038 ~1989
24952747144725932710 ~1992
249530695988736579 ~1991
24953303499066078 ~1989
24953333239551996910 ~1993
24953471499069438 ~1989
Exponent Prime Factor Digits Year
24953711499074238 ~1989
24954071499081438 ~1989
24954179499083598 ~1989
249543897486316719 ~1992
24954431499088638 ~1989
24954911499098238 ~1989
24954959499099198 ~1989
24955211499104238 ~1989
249552131497312799 ~1990
24955499499109998 ~1989
24955571499111438 ~1989
24956231499124638 ~1989
24956363499127278 ~1989
249567733993083699 ~1991
249571371497428239 ~1990
249571931497431599 ~1990
24957539499150798 ~1989
24958163499163278 ~1989
24958259499165198 ~1989
249597411497584479 ~1990
24960011499200238 ~1989
24960179499203598 ~1989
24960203499204078 ~1989
24960251499205038 ~1989
249606432496064319 ~1990
Exponent Prime Factor Digits Year
24960791499215838 ~1989
24961283499225678 ~1989
24961379499227598 ~1989
24961691499233838 ~1989
24962303499246078 ~1989
249626691997013539 ~1990
24962699499253998 ~1989
24963023499260478 ~1989
24963143499262878 ~1989
249631731497790399 ~1990
24963479499269598 ~1989
249636371497818239 ~1990
249638112496381119 ~1990
24963839499276798 ~1989
24963923499278478 ~1989
249640872496408719 ~1990
24964343499286878 ~1989
249644691997157539 ~1990
249646971497881839 ~1990
24964739499294798 ~1989
249652071997216579 ~1990
24965771499315438 ~1989
24965903499318078 ~1989
24965939499318798 ~1989
249664333994629299 ~1991
Exponent Prime Factor Digits Year
24966443499328878 ~1989
24967031499340638 ~1989
24967223499344478 ~1989
24967499499349998 ~1989
24967511499350238 ~1989
24967991499359838 ~1989
24968197114853706310 ~1992
24968243499364878 ~1989
24968483499369678 ~1989
249688131498128799 ~1990
24969071499381438 ~1989
249691213995059379 ~1991
24969397119853105710 ~1992
24969491499389838 ~1989
24969683499393678 ~1989
249700632497006319 ~1990
24970091499401838 ~1989
24970103499402078 ~1989
24970139499402798 ~1989
24970181199761448110 ~1993
24970859499417198 ~1989
249710811498264879 ~1990
24971591499431838 ~1989
249717171997737379 ~1990
249730611997844899 ~1990
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4.843.404 digits
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25-06-08