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

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MnStatusDetails
105184927Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6989610388176540897905542072789.22021-07-18 21:21:25
P-1 factors
DateFactorB1B2
2021-07-1869896103881765408979055420730000004688867
History
DateUserTypeResult
2021-07-18Mihai PredaF-PM1
Factor: 698961038817654089790554207 / (P-1, B1=3000000, B2=4688867)
2021-03-28TheJudgerNF
no factor from 2^75 to 2^76
2021-03-28TheJudgerNF
no factor from 2^74 to 2^75
2020-04-07Will HockensmithNF
no factor from 2^73 to 2^74
2020-03-31Will HockensmithNF
no factor from 2^72 to 2^73
2014-12-31KazumiNF
no factor from 2^71 to 2^72
2014-10-17shaugeNF
no factor from 2^70 to 2^71
2014-10-17shaugeNF
no factor from 2^69 to 2^70
2014-10-17shaugeNF
no factor from 2^68 to 2^69
2014-06-17ANONYMOUSNF
no factor from 2^67 to 2^68
2013-09-09willmoreNF
no factor from 2^66 to 2^67
2012-07-28RMAC9.5NF
no factor from 2^65 to 2^66
2010-08-30Cedric VonckNF
no factor from 2^64 to 2^65
2010-04-20Torchwood InstituteNF
no factor from 2^63 to 2^64