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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
686249991372499999 ~1992
686259111372518239 ~1992
686267515490140099 ~1994
686272431372544879 ~1992
686280231372560479 ~1992
68629111109806577710 ~1994
686325231372650479 ~1992
686349111372698239 ~1992
686355299608974079 ~1994
686400231372800479 ~1992
686404431372808879 ~1992
686407214118443279 ~1993
686407911372815839 ~1992
686421111372842239 ~1992
686462939610481039 ~1994
686465511372931039 ~1992
686468631372937279 ~1992
686475111372950239 ~1992
686529711373059439 ~1992
686532231373064479 ~1992
686534391373068799 ~1992
686537511373075039 ~1992
68655823288354456710 ~1995
686570631373141279 ~1992
686584311373168639 ~1992
Exponent Prime Factor Digits Year
686588334119529999 ~1993
686597631373195279 ~1992
68662081109859329710 ~1994
686621511373243039 ~1992
686646111373292239 ~1992
686647675493181379 ~1994
686655374119932239 ~1993
686655591373311199 ~1992
686658711373317439 ~1992
686658895493271139 ~1994
686694111373388239 ~1992
686694591373389199 ~1992
686698311373396639 ~1992
686717031373434079 ~1992
686723391373446799 ~1992
686732631373465279 ~1992
686753391373506799 ~1992
686758911373517839 ~1992
686760111373520239 ~1992
686793231373586479 ~1992
686810511373621039 ~1992
686812791373625599 ~1992
686814711373629439 ~1992
686841299615778079 ~1994
686845191373690399 ~1992
Exponent Prime Factor Digits Year
686862831373725679 ~1992
68686879824242548110 ~1997
686869734121218399 ~1993
686883591373767199 ~1992
686900031373800079 ~1992
686913231373826479 ~1992
686919711373839439 ~1992
686925231373850479 ~1992
68693587123648456710 ~1995
686937711373875439 ~1992
686945391373890799 ~1992
686994831373989679 ~1992
687019036870190319 ~1994
687027796870277919 ~1994
68704963233596874310 ~1995
68707321109931713710 ~1994
68707651329796724910 ~1996
687097311374194639 ~1992
687110031374220079 ~1992
687111711374223439 ~1992
687161215497289699 ~1994
68716477810854428710 ~1997
687173875497390979 ~1994
687180591374361199 ~1992
687182031374364079 ~1992
Exponent Prime Factor Digits Year
687202134123212799 ~1993
68721061316116880710 ~1996
687216475497731779 ~1994
687224991374449999 ~1992
687251031374502079 ~1992
687254631374509279 ~1992
687261591374523199 ~1992
687275631374551279 ~1992
687287991374575999 ~1992
687321591374643199 ~1992
687327711374655439 ~1992
687332511374665039 ~1992
687350814124104879 ~1993
687362631374725279 ~1992
687367431374734879 ~1992
68740691824888292110 ~1997
68740729151229603910 ~1995
687407991374815999 ~1992
687420774124524639 ~1993
687420831374841679 ~1992
687447591374895199 ~1992
687455031374910079 ~1992
687469495499755939 ~1994
687480831374961679 ~1992
687533875500270979 ~1994
2247
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25-06-08