Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
108566231Factored
FactorDigitsBitsDate
17027676534204305924297061432890.52021-05-17 02:05:30
P-1 factors
DateFactorB1B2
2021-05-17170276765342043059242970614355000005500000
History
DateUserTypeResult
2021-05-17Ernst W. MayerF-PM1
Factor: 1702767653420430592429706143 / (P-1, B1=5500000)
2021-04-26TheJudgerNF
no factor from 2^75 to 2^76
2021-04-26TheJudgerNF
no factor from 2^74 to 2^75
2019-09-18Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-09-18Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-02-08PascalBieriNF
no factor from 2^71 to 2^72
2014-10-31shaugeNF
no factor from 2^70 to 2^71
2014-10-31shaugeNF
no factor from 2^69 to 2^70
2014-10-31shaugeNF
no factor from 2^68 to 2^69
2013-09-25Phenom factoryNF
no factor from 2^67 to 2^68
2013-09-25Phenom factoryNF
no factor from 2^66 to 2^67
2012-05-23Damian SilvestreNF
no factor from 2^65 to 2^66
2010-09-11WPSNF
no factor from 2^64 to 2^65
2010-04-27csabaNF
no factor from 2^63 to 2^64