Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
79288831Factored
FactorDigitsBitsDate
213399038935909587495062172684.12016-08-30 12:58:40
P-1 factors
DateFactorB1B2
2016-08-30213399038935909587495062176650000
History
DateUserTypeResult
2016-08-30baseyF-PM1
Factor: 21339903893590958749506217 / (P-1, B1=665000)
2016-08-04tigreroarsNF
no factor from 2^74 to 2^75
2016-07-31Brian BeuningNF
no factor from 2^73 to 2^74
2016-07-31Brian BeuningNF
no factor from 2^72 to 2^73
2014-01-02SWL551NF
no factor from 2^71 to 2^72
2013-05-26SMoffatNF
no factor from 2^70 to 2^71
2011-03-01searchingforprimesNF
no factor from 2^69 to 2^70
2011-02-18ANONYMOUSNF
no factor from 2^68 to 2^69
2011-02-09Tom MuellerNF
no factor from 2^67 to 2^68
2011-01-24ANONYMOUSNF
no factor from 2^66 to 2^67
2010-11-18HighPriceRanchNF
no factor from 2^65 to 2^66