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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
561403191122806399 ~1992
561435231122870479 ~1992
561443031122886079 ~1992
561445674491565379 ~1993
561460911122921839 ~1992
56147041404258695310 ~1995
561473031122946079 ~1992
561476991122953999 ~1992
561486795614867919 ~1993
561487911122975839 ~1992
561493191122986399 ~1992
56149519101069134310 ~1994
561498711122997439 ~1992
561504013369024079 ~1993
561505431123010879 ~1992
561517373369104239 ~1993
561518391123036799 ~1992
561531373369188239 ~1993
561540714492325699 ~1993
561545511123091039 ~1992
561554391123108799 ~1992
561562791123125599 ~1992
561562911123125839 ~1992
561564591123129199 ~1992
561566511123133039 ~1992
Exponent Prime Factor Digits Year
561571191123142399 ~1992
561576831123153679 ~1992
561590391123180799 ~1992
561600591123201199 ~1992
56160569213410162310 ~1995
561608031123216079 ~1992
561638391123276799 ~1992
561667014493336099 ~1993
561671031123342079 ~1992
561672894493383139 ~1993
561673431123346879 ~1992
561679311123358639 ~1992
561682911123365839 ~1992
561682977863561599 ~1994
561692511123385039 ~1992
561704631123409279 ~1992
561722991123445999 ~1992
561727191123454399 ~1992
561743333370459999 ~1993
561745818987932979 ~1994
561748733370492399 ~1993
561750231123500479 ~1992
561756774494054179 ~1993
561770391123540799 ~1992
561777111123554239 ~1992
Exponent Prime Factor Digits Year
561784275617842719 ~1993
561792613370755679 ~1993
561793791123587599 ~1992
561796311123592639 ~1992
56180027314608151310 ~1995
561812213370873279 ~1993
561812391123624799 ~1992
561821511123643039 ~1992
56183093168549279110 ~1994
561831111123662239 ~1992
561850431123700879 ~1992
561850911123701839 ~1992
561855831123711679 ~1992
561874573371247439 ~1993
561876231123752479 ~1992
561880311123760639 ~1992
561884391123768799 ~1992
561891831123783679 ~1992
561895431123790879 ~1992
561934191123868399 ~1992
561950391123900799 ~1992
561954591123909199 ~1992
561955191123910399 ~1992
561961311123922639 ~1992
561991911123983839 ~1992
Exponent Prime Factor Digits Year
561994431123988879 ~1992
561999111123998239 ~1992
561999613371997679 ~1993
562012911124025839 ~1992
562020111124040239 ~1992
562021431124042879 ~1992
562033791124067599 ~1992
562039911124079839 ~1992
562045791124091599 ~1992
562060275620602719 ~1993
562076933372461599 ~1993
562087311124174639 ~1992
562088631124177279 ~1992
562094213372565279 ~1993
562103511124207039 ~1992
562124511124249039 ~1992
562140711124281439 ~1992
56214127101185428710 ~1994
562144431124288879 ~1992
562151631124303279 ~1992
562165995621659919 ~1993
562168431124336879 ~1992
562170714497365699 ~1993
562176711124353439 ~1992
562182231124364479 ~1992
2319
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26-04-05