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

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MnStatusDetails
102171529Factored
FactorDigitsBitsDate
4831309435155516570715672478.72021-01-12 17:17:42
P-1 factors
DateFactorB1B2
2021-01-1248313094351555165707156785000017850000
History
DateUserTypeResult
2021-01-12Ben DeloF-PM1
Factor: 483130943515551657071567 / (P-1, B1=850000, B2=17850000, E=12)
2020-10-15penluNF
no factor from 2^75 to 2^76
2020-10-15penluNF
no factor from 2^74 to 2^75
2020-03-30SRBaseNF
no factor from 2^73 to 2^74
2020-03-28SRBaseNF
no factor from 2^72 to 2^73
2014-12-08shaugeNF
no factor from 2^71 to 2^72
2013-10-08ITSNF
no factor from 2^70 to 2^71
2013-10-05ITSNF
no factor from 2^69 to 2^70
2013-10-02ITSNF
no factor from 2^68 to 2^69
2013-09-29SMoffatNF
no factor from 2^67 to 2^68
2013-09-07processinfoNF
no factor from 2^66 to 2^67
2012-04-21Jud McCranieNF
no factor from 2^65 to 2^66
2010-08-17James HintzNF
no factor from 2^64 to 2^65
2010-04-261997rj7NF
no factor from 2^63 to 2^64