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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
561891831123783679 ~1992
561895431123790879 ~1992
561934191123868399 ~1992
561950391123900799 ~1992
561954591123909199 ~1992
561955191123910399 ~1992
561961311123922639 ~1992
561991911123983839 ~1992
561994431123988879 ~1992
561999111123998239 ~1992
561999613371997679 ~1993
562012911124025839 ~1992
562020111124040239 ~1992
562033791124067599 ~1992
562039911124079839 ~1992
562060275620602719 ~1993
562076933372461599 ~1993
562087311124174639 ~1992
562088631124177279 ~1992
562094213372565279 ~1993
562103511124207039 ~1992
562124511124249039 ~1992
562140711124281439 ~1992
56214127101185428710 ~1994
562144431124288879 ~1992
Exponent Prime Factor Digits Year
562151631124303279 ~1992
562165995621659919 ~1993
562168431124336879 ~1992
562170714497365699 ~1993
562176711124353439 ~1992
562188591124377199 ~1992
562213911124427839 ~1992
562218133373308799 ~1993
562220173373321039 ~1993
562223991124447999 ~1992
562233831124467679 ~1992
562249911124499839 ~1992
562252938996046899 ~1994
56227519134946045710 ~1994
562279431124558879 ~1992
562295874498366979 ~1993
562297911124595839 ~1992
562307031124614079 ~1992
562308915623089119 ~1993
562313213373879279 ~1993
562313418997014579 ~1994
562332111124664239 ~1992
562341414498731299 ~1993
562348311124696639 ~1992
562363191124726399 ~1992
Exponent Prime Factor Digits Year
562370631124741279 ~1992
562372973374237839 ~1993
56237429179959772910 ~1994
562376813374260879 ~1993
56238211224952844110 ~1995
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
562507933375047599 ~1993
Exponent Prime Factor Digits Year
56251067146252774310 ~1994
562519311125038639 ~1992
562523511125047039 ~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
2152
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25-07-08