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

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MnStatusDetails
119919817Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3293934784832966842073920257193098.12023-02-21 13:29:24
P-1 factors
DateFactorB1B2
2023-02-2132939347848329668420739202571959100025921000
History
DateUserTypeResult
2023-02-21ky0urakuF-PM1
Factor: 329393478483296684207392025719 / (P-1, B1=591000, B2=25921000)
2022-05-22TheJudgerNF
no factor from 2^76 to 2^77
2021-07-10TheJudgerNF
no factor from 2^75 to 2^76
2021-07-10TheJudgerNF
no factor from 2^74 to 2^75
2021-01-30caddrNF
no factor from 2^73 to 2^74
2020-05-04Greg HoganNF
no factor from 2^72 to 2^73
2015-06-04SMoffatNF
no factor from 2^71 to 2^72
2015-05-25SMoffatNF
no factor from 2^70 to 2^71
2015-05-08SMoffatNF
no factor from 2^69 to 2^70
2015-05-03SMoffatNF
no factor from 2^68 to 2^69
2015-04-25Mihai PredaNF
no factor from 2^67 to 2^68
2014-12-18tscNF
no factor from 2^66 to 2^67
2012-07-29Andrew BNF
no factor from 2^65 to 2^66
2010-10-17Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-16sasaki3NF
no factor from 2^63 to 2^64