Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
97897673Factored
FactorDigitsBitsDate
12890990084737372456600207743509279428939126.62020-04-28 04:10:05
P-1 factors
DateFactorB1B2
2020-04-2812890990084737372456600207743509279428976000015010000
History
DateUserTypeResult
2020-04-28FilenF-PM1
Factor: 128909900847373724566002077435092794289 / (P-1, B1=760000, B2=15010000, E=12)
2020-02-02TheJudgerNF
no factor from 2^76 to 2^77
2020-01-22TheJudgerNF
no factor from 2^75 to 2^76
2020-01-22TheJudgerNF
no factor from 2^74 to 2^75
2019-11-07Hans LoeblichNF
no factor from 2^73 to 2^74
2019-03-11Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-12-30Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-07-29SMoffatNF
no factor from 2^70 to 2^71
2014-05-25PhilNF
no factor from 2^69 to 2^70
2014-05-22SatanNF
no factor from 2^69 to 2^70
2014-05-22SatanNF
no factor from 2^68 to 2^69
2014-03-22munsun_jangNF
no factor from 2^67 to 2^68
2014-02-09sasakiNF
no factor from 2^65 to 2^67
2011-01-16Architects CubedNF
no factor from 2^64 to 2^65