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

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MnStatusDetails
82046663Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
20786168878699894964203666012890.72017-06-27 12:20:54
P-1 factors
DateFactorB1B2
2017-06-2720786168878699894964203666017000000
History
DateUserTypeResult
2017-06-27Sergey NosovF-PM1
Factor: 2078616887869989496420366601 / (P-1, B1=700000)
2016-11-27TheJudgerNF
no factor from 2^74 to 2^75
2016-11-27TheJudgerNF
no factor from 2^73 to 2^74
2016-06-29tmorrowNF
no factor from 2^72 to 2^73
2016-06-29tmorrowNF
no factor from 2^71 to 2^72
2013-11-03SMoffatNF
no factor from 2^70 to 2^71
2013-02-14babooNF
no factor from 2^69 to 2^70
2013-02-14babooNF
no factor from 2^68 to 2^69
2013-02-07babooNF
no factor from 2^67 to 2^68
2013-01-30rjbelansNF
no factor from 2^66 to 2^67
2012-08-18Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-16Architects CubedNF
no factor from 2^64 to 2^65