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
85141391Factored
FactorDigitsBitsDate
1385858045177450530146312476.92017-12-20 14:09:34
P-1 factors
DateFactorB1B2
2017-12-201385858045177450530146316850000
History
DateUserTypeResult
2017-12-20hpadirF-PM1
Factor: 138585804517745053014631 / (P-1, B1=685000)
2017-08-22Kevin JagetNF
no factor from 2^75 to 2^76
2017-08-22Kevin JagetNF
no factor from 2^74 to 2^75
2017-03-02-Anonymous-NF
no factor from 2^73 to 2^74
2017-03-02-Anonymous-NF
no factor from 2^72 to 2^73
2017-03-02-Anonymous-NF
no factor from 2^71 to 2^72
2013-07-16Le ComteNF
no factor from 2^70 to 2^71
2013-06-18g0bNF
no factor from 2^69 to 2^70
2013-03-02arnaudNF
no factor from 2^68 to 2^69
2013-03-01SMoffatNF
no factor from 2^67 to 2^68
2013-02-28Freaks32NF
no factor from 2^66 to 2^67
2013-02-03E.LechnerNF
no factor from 2^65 to 2^66
2010-11-24Architects CubedNF
no factor from 2^64 to 2^65