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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
562140711124281439 ~1991
56214127101185428710 ~1994
562144431124288879 ~1991
562151631124303279 ~1991
562168431124336879 ~1991
562170714497365699 ~1993
562176711124353439 ~1991
562188591124377199 ~1991
562213911124427839 ~1991
562218133373308799 ~1993
562220173373321039 ~1993
562223991124447999 ~1991
562233831124467679 ~1991
562249911124499839 ~1991
562252938996046899 ~1994
56227519134946045710 ~1994
562279431124558879 ~1991
562295874498366979 ~1993
562297911124595839 ~1992
562307031124614079 ~1992
562308915623089119 ~1993
562313213373879279 ~1993
562313418997014579 ~1994
562332111124664239 ~1992
562341414498731299 ~1993
Exponent Prime Factor Digits Year
562348311124696639 ~1992
562363191124726399 ~1992
562370631124741279 ~1992
562372973374237839 ~1993
56237429179959772910 ~1994
562376813374260879 ~1993
562388173374329039 ~1993
562401138998418099 ~1994
562402911124805839 ~1992
562410413374462479 ~1993
562422711124845439 ~1992
562426638998826099 ~1994
562430031124860079 ~1992
562430511124861039 ~1992
562431013374586079 ~1993
562437111124874239 ~1992
562458414499667299 ~1993
562459995624599919 ~1993
562464231124928479 ~1992
562464978999439539 ~1994
562465791124931599 ~1992
562478391124956799 ~1992
562484631124969279 ~1992
562490933374945599 ~1993
562494114499952899 ~1993
Exponent Prime Factor Digits Year
562507933375047599 ~1993
56251067146252774310 ~1994
562519311125038639 ~1992
562548111125096239 ~1992
562551831125103679 ~1992
562555791125111599 ~1992
562557795625577919 ~1993
562579911125159839 ~1992
562580031125160079 ~1992
562580991125161999 ~1992
562590831125181679 ~1992
562595574500764579 ~1993
562596773375580639 ~1993
56259901393819307110 ~1995
562602711125205439 ~1992
562608591125217199 ~1992
562620231125240479 ~1992
562622631125245279 ~1992
562652595626525919 ~1993
562655511125311039 ~1992
562657191125314399 ~1992
562666333375997999 ~1993
562672191125344399 ~1992
562687311125374639 ~1992
562693573376161439 ~1993
Exponent Prime Factor Digits Year
562699191125398399 ~1992
562707831125415679 ~1992
562715031125430079 ~1992
562715697878019679 ~1994
562728831125457679 ~1992
562738794501910339 ~1993
562744973376469839 ~1993
562752111125504239 ~1992
562756431125512879 ~1992
562771613376629679 ~1993
562773591125547199 ~1992
562774911125549839 ~1992
562796511125593039 ~1992
562806111125612239 ~1992
562813311125626639 ~1992
562837431125674879 ~1992
562846613377079679 ~1993
562853031125706079 ~1992
562854591125709199 ~1992
562865511125731039 ~1992
562874333377245999 ~1993
562876311125752639 ~1992
562884711125769439 ~1992
562897431125794879 ~1992
562898511125797039 ~1992
2099
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25-04-13