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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
510831894086655139 ~1993
510835311021670639 ~1991
510837075108370719 ~1993
510855711021711439 ~1991
510872511021745039 ~1991
510878595108785919 ~1993
510881094087048739 ~1993
510885711021771439 ~1991
510910311021820639 ~1991
510919791021839599 ~1991
510936711021873439 ~1991
510936973065621839 ~1992
510962991021925999 ~1991
510969711021939439 ~1991
510984831021969679 ~1991
510986933065921599 ~1992
510995391021990799 ~1991
511032591022065199 ~1991
511046933066281599 ~1992
511047831022095679 ~1991
511055391022110799 ~1991
511066911022133839 ~1991
511077435110774319 ~1993
511085391022170799 ~1991
51110233766653495110 ~1996
Exponent Prime Factor Digits Year
51110581112443278310 ~1994
511145715111457119 ~1993
511152973066917839 ~1992
51115763163570441710 ~1994
511170231022340479 ~1991
511174911022349839 ~1991
511180431022360879 ~1991
511195911022391839 ~1991
511203231022406479 ~1991
511206773067240639 ~1992
511218591022437199 ~1991
511220631022441279 ~1991
511237311022474639 ~1991
511245111022490239 ~1991
511245711022491439 ~1991
511250031022500079 ~1991
511272831022545679 ~1991
511314773067888639 ~1992
511315377158415199 ~1993
511320231022640479 ~1991
511320711022641439 ~1991
511331933067991599 ~1992
511344831022689679 ~1991
511345791022691599 ~1991
511345911022691839 ~1991
Exponent Prime Factor Digits Year
511356111022712239 ~1991
511358631022717279 ~1991
511362711022725439 ~1991
511375191022750399 ~1991
511402311022804639 ~1991
511403991022807999 ~1991
511438431022876879 ~1991
511439511022879039 ~1991
511444191022888399 ~1991
511446231022892479 ~1991
511448533068691199 ~1992
511453431022906879 ~1991
511454031022908079 ~1991
511454991022909999 ~1991
511484697160785679 ~1993
51149453890000482310 ~1996
511505715115057119 ~1993
511508573069051439 ~1992
511522911023045839 ~1991
511526031023052079 ~1991
511539231023078479 ~1991
511557297161802079 ~1993
511559631023119279 ~1991
511567191023134399 ~1991
511567791023135599 ~1991
Exponent Prime Factor Digits Year
511625991023251999 ~1991
511641111023282239 ~1991
511643573069861439 ~1992
511644711023289439 ~1991
511658391023316799 ~1991
511661631023323279 ~1991
511707111023414239 ~1991
511708311023416639 ~1991
511709391023418799 ~1991
511735373070412239 ~1992
511739391023478799 ~1991
511742511023485039 ~1991
511751391023502799 ~1991
511760874094086979 ~1993
511764013070584079 ~1992
511776711023553439 ~1991
511780311023560639 ~1991
51178847133065002310 ~1994
511789311023578639 ~1991
511801791023603599 ~1991
511806533070839199 ~1992
511815831023631679 ~1991
511826473930827289711 ~1998
511833231023666479 ~1991
511839591023679199 ~1991
2207
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26-01-11