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

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MnStatusDetails
81742429Factored
FactorDigitsBitsDate
963914522942151650518687830664168296137122.92016-07-31 14:37:28
P-1 factors
DateFactorB1B2
2016-07-31963914522942151650518687830664168296169500014247500
History
DateUserTypeResult
2016-07-31TheJudgerF-PM1
Factor: 9639145229421516505186878306641682961 / (P-1, B1=695000, B2=14247500, E=12)
2014-03-16HHfromGNF
no factor from 2^74 to 2^75
2014-03-16HHfromGNF
no factor from 2^73 to 2^74
2014-03-16HHfromGNF
no factor from 2^72 to 2^73
2014-03-16HHfromGNF
no factor from 2^71 to 2^72
2014-03-16HHfromGNF
no factor from 2^70 to 2^71
2011-03-18-Anonymous-NF
no factor from 2^69 to 2^70
2011-03-12-Anonymous-NF
no factor from 2^68 to 2^69
2011-03-02-Anonymous-NF
no factor from 2^67 to 2^68
2011-02-28thorickNF
no factor from 2^66 to 2^67
2011-02-28OS1NF
no factor from 2^65 to 2^66
2010-12-13Architects CubedNF
no factor from 2^64 to 2^65