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

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MnStatusDetails
93062041Factored
FactorDigitsBitsDate
482571174612741690740492232685.32019-08-23 06:21:35
P-1 factors
DateFactorB1B2
2019-08-23482571174612741690740492237200000
History
DateUserTypeResult
2019-08-23Ryan PropperF-PM1
Factor: 48257117461274169074049223 / (P-1, B1=720000)
2019-08-12TheJudgerNF
no factor from 2^76 to 2^77
2019-06-05KrieselNF
no factor from 2^75 to 2^76
2019-06-04KrieselNF
no factor from 2^74 to 2^75
2019-04-25IllmatarNF
no factor from 2^73 to 2^74
2019-02-13storm5510NF
no factor from 2^72 to 2^73
2018-01-07masserNF
no factor from 2^71 to 2^72
2014-09-16EratosthenesNF
no factor from 2^70 to 2^71
2014-09-16EratosthenesNF
no factor from 2^69 to 2^70
2014-09-16EratosthenesNF
no factor from 2^68 to 2^69
2014-06-16Travis Glenn RussoNF
no factor from 2^67 to 2^68
2014-06-12KoekieNF
no factor from 2^66 to 2^67
2013-07-20David CampeauNF
no factor from 2^65 to 2^66
2011-01-07Architects CubedNF
no factor from 2^64 to 2^65