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

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MnStatusDetails
79357151Factored
FactorDigitsBitsDate
2063652015069512581615129174480299844738124.02015-10-04 15:38:43
P-1 factors
DateFactorB1B2
2015-10-042063652015069512581615129174480299844774500016017500
History
DateUserTypeResult
2015-10-04TheJudgerF-PM1
Factor: 20636520150695125816151291744802998447 / (P-1, B1=745000, B2=16017500, E=12)
2015-09-13ChuckNF
no factor from 2^73 to 2^74
2013-01-27SWL551NF
no factor from 2^72 to 2^73
2013-01-27SWL551NF
no factor from 2^71 to 2^72
2013-01-26SWL551NF
no factor from 2^70 to 2^71
2013-01-26SWL551NF
no factor from 2^69 to 2^70
2013-01-26SWL551NF
no factor from 2^68 to 2^69
2012-10-08AxelssonNF
no factor from 2^67 to 2^68
2011-04-27Carsten KossendeyNF
no factor from 2^65 to 2^67
2009-07-10Patrik JohanssonNF
no factor from 2^64 to 2^65
2009-05-30Architects CubedNF
no factor from 2^63 to 2^64