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

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MnStatusDetails
171730877Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19658573533190875287690972580.72024-10-02 06:49:58
P-1 factors
DateFactorB1B2
2024-10-02196585735331908752876909714360001436000
History
DateUserTypeResult
2024-10-02Luke DurantF-PM1
Factor: 1965857353319087528769097 / (P-1, B1=1436000)
2024-09-22SRBaseNF
no factor from 2^75 to 2^76
2023-03-18SRBaseNF
no factor from 2^74 to 2^75
2021-12-25SRBaseNF
no factor from 2^73 to 2^74
2018-03-09Leo DengNF
no factor from 2^72 to 2^73
2018-03-07Leo DengNF
no factor from 2^71 to 2^72
2018-03-05Daniil TsarkovNF
no factor from 2^70 to 2^71
2016-10-22Mihai PredaNF
no factor from 2^69 to 2^70
2016-09-10Adam BuranNF
no factor from 2^68 to 2^69
2016-04-24XZTNF
no factor from 2^67 to 2^68
2015-06-19SummyNF
no factor from 2^66 to 2^67
2013-04-06RichardNF
no factor from 2^65 to 2^66
2011-02-25Sergej LevinNF
no factor from 2^64 to 2^65
2010-07-11Charles A. MorrisNF
no factor from 2^63 to 2^64