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

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MnStatusDetails
114669557Factored
FactorDigitsBitsDate
4195068688688664548115192478.52022-04-16 11:25:20
P-1 factors
DateFactorB1B2
2022-04-1641950686886886645481151957400028229000
History
DateUserTypeResult
2022-04-16ky0urakuF-PM1
Factor: 419506868868866454811519 / (P-1, B1=574000, B2=28229000)
2021-06-27arpcarNF
no factor from 2^76 to 2^77
2021-05-29TheJudgerNF
no factor from 2^75 to 2^76
2021-05-29TheJudgerNF
no factor from 2^74 to 2^75
2020-10-19buteraNF
no factor from 2^73 to 2^74
2015-09-27Ruediger EckhardNF
no factor from 2^72 to 2^73
2015-09-27Ruediger EckhardNF
no factor from 2^71 to 2^72
2015-09-27Ruediger EckhardNF
no factor from 2^70 to 2^71
2015-09-26el groccoNF
no factor from 2^69 to 2^70
2015-09-26el groccoNF
no factor from 2^68 to 2^69
2015-03-27g0bNF
no factor from 2^67 to 2^68
2014-11-22Andrew BNF
no factor from 2^66 to 2^67
2012-06-14Torchwood InstituteNF
no factor from 2^65 to 2^66
2010-10-03Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-07KYOJI_KAMEINF
no factor from 2^63 to 2^64