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

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MnStatusDetails
83598587Factored
FactorDigitsBitsDate
1919186925351820551729592477.32017-11-02 12:50:46
P-1 factors
DateFactorB1B2
2017-11-0219191869253518205517295969000013455000
History
DateUserTypeResult
2017-11-02HardyP GermanyF-PM1
Factor: 191918692535182055172959 / (P-1, B1=690000, B2=13455000)
2017-03-10-Anonymous-NF
no factor from 2^75 to 2^76
2017-01-22Brian BeuningNF
no factor from 2^74 to 2^75
2017-01-22Brian BeuningNF
no factor from 2^73 to 2^74
2017-01-011997rj7NF
no factor from 2^72 to 2^73
2017-01-011997rj7NF
no factor from 2^71 to 2^72
2013-02-19DavinNF
no factor from 2^70 to 2^71
2013-02-19DavinNF
no factor from 2^69 to 2^70
2013-02-18saffaNF
no factor from 2^68 to 2^69
2013-02-16Sergey NosovNF
no factor from 2^66 to 2^68
2012-08-19Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-21Architects CubedNF
no factor from 2^64 to 2^65