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

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MnStatusDetails
115972481Factored
FactorDigitsBitsDate
396864882330047847033055329612995.02022-08-10 17:13:00
P-1 factors
DateFactorB1B2
2022-08-103968648823300478470330553296158500010822500
History
DateUserTypeResult
2022-08-10Sergey NosovF-PM1
Factor: 39686488233004784703305532961 / (P-1, B1=585000, B2=10822500, E=12)
2021-09-15TaikelennNF
no factor from 2^76 to 2^77
2020-12-31KrieselNF
no factor from 2^75 to 2^76
2020-11-29hktNF
no factor from 2^74 to 2^75
2020-08-08tscNF
no factor from 2^73 to 2^74
2020-04-25SRBaseNF
no factor from 2^72 to 2^73
2015-06-11SMoffatNF
no factor from 2^71 to 2^72
2015-05-10SMoffatNF
no factor from 2^70 to 2^71
2015-04-05SMoffatNF
no factor from 2^69 to 2^70
2015-03-22SMoffatNF
no factor from 2^68 to 2^69
2015-03-17bunddogNF
no factor from 2^67 to 2^68
2014-12-01sasaki3NF
no factor from 2^66 to 2^67
2012-06-24oodairaNF
no factor from 2^65 to 2^66
2010-10-07WPSNF
no factor from 2^64 to 2^65
2010-08-23-Anonymous-NF
no factor from 2^63 to 2^64