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

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MnStatusDetails
107392639Factored
FactorDigitsBitsDate
3769919947542310447671028055593098.32021-11-16 20:24:46
P-1 factors
DateFactorB1B2
2021-11-1637699199475423104476710280555977400023275000
History
DateUserTypeResult
2021-11-16ky0urakuF-PM1
Factor: 376991994754231044767102805559 / (P-1, B1=774000, B2=23275000)
2021-04-12TheJudgerNF
no factor from 2^75 to 2^76
2021-04-12TheJudgerNF
no factor from 2^74 to 2^75
2020-07-07Hans LoeblichNF
no factor from 2^73 to 2^74
2020-02-29el groccoNF
no factor from 2^72 to 2^73
2015-01-18SWL551NF
no factor from 2^71 to 2^72
2013-10-31arnaudNF
no factor from 2^70 to 2^71
2013-10-23ebravickNF
no factor from 2^69 to 2^70
2013-10-16NBNF
no factor from 2^68 to 2^69
2013-10-06symalladNF
no factor from 2^67 to 2^68
2013-09-30symalladNF
no factor from 2^66 to 2^67
2012-05-18subgeniusNF
no factor from 2^65 to 2^66
2010-09-07sasaki3NF
no factor from 2^64 to 2^65
2010-04-24sasaki3NF
no factor from 2^63 to 2^64