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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
561682911123365839 ~1991
561682977863561599 ~1994
561692511123385039 ~1991
561704631123409279 ~1991
561722991123445999 ~1991
561727191123454399 ~1991
561743333370459999 ~1993
561745818987932979 ~1994
561748733370492399 ~1993
561750231123500479 ~1991
561756774494054179 ~1993
561770391123540799 ~1991
561777111123554239 ~1991
561784275617842719 ~1993
561792613370755679 ~1993
561796311123592639 ~1991
56180027314608151310 ~1995
561812213370873279 ~1993
561812391123624799 ~1991
561821511123643039 ~1991
56183093168549279110 ~1994
561831111123662239 ~1991
561850431123700879 ~1991
561855831123711679 ~1992
561874573371247439 ~1993
Exponent Prime Factor Digits Year
561876231123752479 ~1992
561880311123760639 ~1992
561884391123768799 ~1992
561891831123783679 ~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
Exponent Prime Factor Digits Year
56214127101185428710 ~1994
562144431124288879 ~1992
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
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
2112
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25-05-04