Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
99887537Factored
FactorDigitsBitsDate
204116470158082630741642442570470572737120.62020-08-08 19:44:22
P-1 factors
DateFactorB1B2
2020-08-08204116470158082630741642442570470572772000013500000
History
DateUserTypeResult
2020-08-08Ryan PropperF-PM1
Factor: 2041164701580826307416424425704705727 / (P-1, B1=720000, B2=13500000, E=6)
2020-06-05Ryan PropperNF
no factor from 2^77 to 2^78
2020-02-12TheJudgerNF
no factor from 2^76 to 2^77
2020-02-12TheJudgerNF
no factor from 2^75 to 2^76
2020-02-09James HeinrichNF
no factor from 2^74 to 2^75
2014-03-23La GüiraNF
no factor from 2^73 to 2^74
2014-03-23La GüiraNF
no factor from 2^72 to 2^73
2014-03-23La GüiraNF
no factor from 2^71 to 2^72
2014-03-23La GüiraNF
no factor from 2^70 to 2^71
2014-03-23La GüiraNF
no factor from 2^69 to 2^70
2013-08-27Preben SNF
no factor from 2^68 to 2^69
2013-08-26processinfoNF
no factor from 2^67 to 2^68
2013-08-16Le ComteNF
no factor from 2^66 to 2^67
2012-06-08Jimmy BrüggemannNF
no factor from 2^65 to 2^66
2010-10-221997rj7NF
no factor from 2^64 to 2^65