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

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MnStatusDetails
119906119Factored
FactorDigitsBitsDate
145091074353773226461955952737537783192576143140.12023-02-22 07:15:38
P-1 factors
DateFactorB1B2
2023-02-2214509107435377322646195595273753778319257611000000553218120
History
DateUserTypeResult
2023-02-22Mihai PredaF-PM1
Factor: 1450910743537732264619559527375377831925761 / (P-1, B1=1000000, B2=553218120)
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
2021-03-23BommerNF
no factor from 2^73 to 2^74
2020-05-04Greg HoganNF
no factor from 2^72 to 2^73
2015-06-04SRS TechnologyNF
no factor from 2^71 to 2^72
2015-05-27Mihai PredaNF
no factor from 2^70 to 2^71
2015-05-04Mihai PredaNF
no factor from 2^69 to 2^70
2015-04-25Mihai PredaNF
no factor from 2^68 to 2^69
2015-04-14Mihai PredaNF
no factor from 2^67 to 2^68
2014-12-18sasaki3NF
no factor from 2^66 to 2^67
2012-08-02RichardNF
no factor from 2^65 to 2^66
2010-10-17Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-16subgeniusNF
no factor from 2^63 to 2^64