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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
506672573040035439 ~1992
506675031013350079 ~1991
506675775705169170311 ~1998
506677911013355839 ~1991
506691231013382479 ~1991
506692911013385839 ~1991
506710791013421599 ~1991
506727111013454239 ~1991
506737519121275199 ~1993
506739013040434079 ~1992
506739111013478239 ~1991
506745231013490479 ~1991
506746995067469919 ~1993
506766111013532239 ~1991
506791191013582399 ~1991
50685637446033605710 ~1995
506859173041155039 ~1992
506875133041250799 ~1992
506875515068755119 ~1993
506878813041272879 ~1992
506888991013777999 ~1991
506897631013795279 ~1991
506897991013795999 ~1991
506904831013809679 ~1991
506926791013853599 ~1991
Exponent Prime Factor Digits Year
506929191013858399 ~1991
506929911013859839 ~1991
506936471875664939111 ~1997
506938933041633599 ~1992
506942391013884799 ~1991
506973294055786339 ~1993
506983911013967839 ~1991
506983977097775599 ~1993
506986191013972399 ~1991
506986911013973839 ~1991
507005991014011999 ~1991
507008991014017999 ~1991
507009599126172639 ~1993
507035391014070799 ~1991
507042711014085439 ~1991
507046911014093839 ~1991
507051831014103679 ~1991
50709697395535636710 ~1995
507097311014194639 ~1991
507106191014212399 ~1991
507109013042654079 ~1992
507134715071347119 ~1993
507135111014270239 ~1991
507138231014276479 ~1991
507139791014279599 ~1991
Exponent Prime Factor Digits Year
507145933042875599 ~1992
507152511014305039 ~1991
507161631014323279 ~1991
507173631014347279 ~1991
507189111014378239 ~1991
507192831014385679 ~1991
507204591014409199 ~1991
507238191014476399 ~1991
507240413043442479 ~1992
507242631014485279 ~1991
507254031014508079 ~1991
507271791014543599 ~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
507412911014825839 ~1991
507419631014839279 ~1991
507424791014849599 ~1991
507452391014904799 ~1991
507458118119329779 ~1993
507468231014936479 ~1991
507468594059748739 ~1993
507476874059814979 ~1993
507482511014965039 ~1991
507486231014972479 ~1991
507496311014992639 ~1991
507504711015009439 ~1991
507519231015038479 ~1991
507523919135430399 ~1993
507542413045254479 ~1992
507549373045296239 ~1992
50755069152265207110 ~1994
507551394060411139 ~1993
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24-10-27