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
333043219Factored
FactorDigitsBitsDate
19415810128915007384608812580.72017-01-08 13:32:07
P-1 factors
DateFactorB1B2
2017-01-0819415810128915007384608813165000104445000
History
DateUserTypeResult
2017-01-08aurashiftF-PM1
Factor: 1941581012891500738460881 / (P-1, B1=3165000, B2=104445000, E=12)
2017-01-03aurashiftNF
no factor from 2^75 to 2^76
2014-05-23Preben SNF
no factor from 2^74 to 2^75
2013-12-27Preben SNF
no factor from 2^73 to 2^74
2013-10-07Preben SNF
no factor from 2^72 to 2^73
2013-01-18LaurVNF
no factor from 2^71 to 2^72
2013-01-18LaurVNF
no factor from 2^70 to 2^71
2013-01-18LaurVNF
no factor from 2^69 to 2^70
2012-04-16LaurVNF
no factor from 2^66 to 2^69
2010-11-03Architects CubedNF
no factor from 2^65 to 2^66