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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
505614318089828979 ~1993
505615791011231599 ~1991
505623591011247199 ~1991
505650195056501919 ~1993
50566223252831115110 ~1995
505665831011331679 ~1991
505677294045418339 ~1993
505680174045441379 ~1993
50568277121363864910 ~1994
505682991011365999 ~1991
505702638091242099 ~1993
505707591011415199 ~1991
505725231011450479 ~1991
505725413034352479 ~1992
505726311011452639 ~1991
505731231011462479 ~1991
505736933034421599 ~1992
50575037151725111110 ~1994
505755711011511439 ~1991
505758831011517679 ~1991
505761111011522239 ~1991
505770831011541679 ~1991
505776711011553439 ~1991
505781031011562079 ~1991
505786813034720879 ~1992
Exponent Prime Factor Digits Year
505792791011585599 ~1991
505794231011588479 ~1991
505805213034831279 ~1992
505808631011617279 ~1991
505817631011635279 ~1991
505826214046609699 ~1993
505834875058348719 ~1993
505836231011672479 ~1991
505852311011704639 ~1991
505854711011709439 ~1991
505856631011713279 ~1991
505860831011721679 ~1991
505872591011745199 ~1991
505883333035299999 ~1992
505889031011778079 ~1991
505907631011815279 ~1991
505915311011830639 ~1991
505938413035630479 ~1992
505949031011898079 ~1991
505956591011913199 ~1991
505957191011914399 ~1991
505964991011929999 ~1991
506006031012012079 ~1991
506013711012027439 ~1991
506023733036142399 ~1992
Exponent Prime Factor Digits Year
506033631012067279 ~1991
506054031012108079 ~1991
506064591012129199 ~1991
506105511012211039 ~1991
506116515061165119 ~1993
50611723121468135310 ~1994
506123478097975539 ~1993
506125311012250639 ~1991
506139111012278239 ~1991
506143733036862399 ~1992
506165413036992479 ~1992
506174391012348799 ~1991
506180813037084879 ~1992
506195391012390799 ~1991
506196711012393439 ~1991
506214231012428479 ~1991
506215791012431599 ~1991
506215911012431839 ~1991
506217618099481779 ~1993
506234391012468799 ~1991
50626001162003203310 ~1994
506262111012524239 ~1991
506265711012531439 ~1991
506266791012533599 ~1991
506273991012547999 ~1991
Exponent Prime Factor Digits Year
506275431012550879 ~1991
506293737088112239 ~1993
506296431012592879 ~1991
506298111012596239 ~1991
506307711012615439 ~1991
50630903162018889710 ~1994
506309991012619999 ~1991
506360994050887939 ~1993
50637541111402590310 ~1994
506383311012766639 ~1991
506389431012778879 ~1991
506413133038478799 ~1992
506429574051436579 ~1993
506430831012861679 ~1991
506442711012885439 ~1991
506468631012937279 ~1991
506469711012939439 ~1991
506476431012952879 ~1991
506478231012956479 ~1991
506480511012961039 ~1991
506494911012989839 ~1991
506496733038980399 ~1992
506500279117004879 ~1994
506512311013024639 ~1991
50652827374830919910 ~1995
2267
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26-05-03