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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
560976831121953679 ~1992
560990631121981279 ~1992
560994231121988479 ~1992
561014031122028079 ~1992
561014778976236339 ~1994
56102699504924291110 ~1996
561036831122073679 ~1992
561062991122125999 ~1992
56106871100992367910 ~1994
56107507224430028110 ~1995
561088395610883919 ~1993
561118518977896179 ~1994
561141111122282239 ~1992
561141114489128899
561143511122287039 ~1992
561152631122305279 ~1992
561159591122319199 ~1992
561164511122329039 ~1992
561178191122356399 ~1992
561190137856661839 ~1994
561194631122389279 ~1992
561209213367255279 ~1993
561210831122421679 ~1992
561212031122424079 ~1992
561215514489724099 ~1993
Exponent Prime Factor Digits Year
561216231122432479 ~1992
561217311122434639 ~1992
561248511122497039 ~1992
56126219101027194310 ~1994
561267111122534239 ~1992
561287031122574079 ~1992
561289311122578639 ~1992
561340791122681599 ~1992
561345111122690239 ~1992
561375675613756719 ~1993
56138477134732344910 ~1994
561391311122782639 ~1992
561396174491169379 ~1993
561403191122806399 ~1992
561435231122870479 ~1992
561443031122886079 ~1992
561445674491565379 ~1993
561460911122921839 ~1992
56147041404258695310 ~1995
561473031122946079 ~1992
561476991122953999 ~1992
561486795614867919 ~1993
561487911122975839 ~1992
56149519101069134310 ~1994
561498711122997439 ~1992
Exponent Prime Factor Digits Year
561504013369024079 ~1993
561505431123010879 ~1992
561517373369104239 ~1993
561518391123036799 ~1992
561531373369188239 ~1993
561540714492325699 ~1993
561545511123091039 ~1992
561554391123108799 ~1992
561562791123125599 ~1992
561562911123125839 ~1992
561566511123133039 ~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
Exponent Prime Factor Digits Year
561704631123409279 ~1992
561722991123445999 ~1992
561727191123454399 ~1992
561743333370459999 ~1993
561745818987932979 ~1994
561748733370492399 ~1993
561750231123500479 ~1992
561756774494054179 ~1993
561770391123540799 ~1992
561777111123554239 ~1992
561784275617842719 ~1993
561792613370755679 ~1993
561796311123592639 ~1992
56180027314608151310 ~1995
561812213370873279 ~1993
561812391123624799 ~1992
561821511123643039 ~1992
56183093168549279110 ~1994
561831111123662239 ~1992
561850431123700879 ~1992
561855831123711679 ~1992
561874573371247439 ~1993
561876231123752479 ~1992
561880311123760639 ~1992
561884391123768799 ~1992
2151
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25-07-08