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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
506973294055786339 ~1993
506983911013967839 ~1991
506983977097775599 ~1993
506986191013972399 ~1991
506986911013973839 ~1991
507005991014011999 ~1991
507008991014017999 ~1991
507009599126172639 ~1993
507035391014070799 ~1991
507042711014085439 ~1991
507046911014093839 ~1991
507048831014097679 ~1991
507051831014103679 ~1991
50709697395535636710 ~1995
507097311014194639 ~1991
507106191014212399 ~1991
507109013042654079 ~1992
507123719128226799 ~1993
507134715071347119 ~1993
507135111014270239 ~1991
507138231014276479 ~1991
507139791014279599 ~1991
507145933042875599 ~1992
507152511014305039 ~1991
507161631014323279 ~1991
Exponent Prime Factor Digits Year
507169573043017439 ~1992
507173631014347279 ~1991
507189111014378239 ~1991
507191479129446479 ~1993
507192831014385679 ~1991
507204591014409199 ~1991
507238191014476399 ~1991
507240413043442479 ~1992
507242631014485279 ~1991
507254031014508079 ~1991
507271791014543599 ~1991
507275031014550079 ~1991
507278235072782319 ~1993
507280311014560639 ~1991
507283191014566399 ~1991
507288711014577439 ~1991
507291111014582239 ~1991
507298311014596639 ~1991
507318973043913839 ~1992
507322191014644399 ~1991
507334431014668879 ~1991
507358311014716639 ~1991
507360711014721439 ~1991
507367794058942339 ~1993
507371333044227999 ~1992
Exponent Prime Factor Digits Year
507386573044319439 ~1992
507391974059135779 ~1993
507392573044355439 ~1992
507393231014786479 ~1991
507407577103705999 ~1993
507407991014815999 ~1991
507409733044458399 ~1992
507412374059298979 ~1993
507412911014825839 ~1991
507419631014839279 ~1991
507424791014849599 ~1991
507452391014904799 ~1991
507458118119329779 ~1993
507468231014936479 ~1991
507468594059748739 ~1993
507476874059814979 ~1993
507482511014965039 ~1991
507486231014972479 ~1991
507496311014992639 ~1991
507504711015009439 ~1991
507505191015010399 ~1991
507519231015038479 ~1991
507523919135430399 ~1994
507542413045254479 ~1992
507549373045296239 ~1992
Exponent Prime Factor Digits Year
50755069152265207110 ~1994
507551394060411139 ~1993
507551511015103039 ~1991
50756327131966450310 ~1994
507578511015157039 ~1991
507595613045573679 ~1992
507602391015204799 ~1991
507607911015215839 ~1991
507608631015217279 ~1991
507609591015219199 ~1991
507610791015221599 ~1991
507616191015232399 ~1991
507618831015237679 ~1991
507638413045830479 ~1992
507639591015279199 ~1991
507645831015291679 ~1991
507659514061276099 ~1993
507662838122605299 ~1993
507666978122671539 ~1993
507673191015346399 ~1991
507709213046255279 ~1992
507723413046340479 ~1992
507745791015491599 ~1991
507754431015508879 ~1991
507755031015510079 ~1991
2075
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25-06-08