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

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MnStatusDetails
101865877Factored
FactorDigitsBitsDate
2660255225685232833832012477.82020-12-31 13:44:38
P-1 factors
DateFactorB1B2
2020-12-3126602552256852328338320173400022077000
History
DateUserTypeResult
2020-12-31KrieselF-PM1
Factor: 266025522568523283383201 / (P-1, B1=734000, B2=22077000, E=12)
2020-10-10TheJudgerNF
no factor from 2^75 to 2^76
2020-10-10TheJudgerNF
no factor from 2^74 to 2^75
2020-01-31ixfd64NF
no factor from 2^72 to 2^74
2014-12-22-Anonymous-NF
no factor from 2^71 to 2^72
2013-09-01RobishNF
no factor from 2^70 to 2^71
2013-08-30RobishNF
no factor from 2^69 to 2^70
2013-08-28RobishNF
no factor from 2^68 to 2^69
2013-08-27RobishNF
no factor from 2^67 to 2^68
2013-08-27SMoffatNF
no factor from 2^66 to 2^67
2012-04-18Torchwood InstituteNF
no factor from 2^65 to 2^66
2010-08-15RichardNF
no factor from 2^64 to 2^65
2010-03-021997rj7NF
no factor from 2^63 to 2^64