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

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MnStatusDetails
71891389Factored
FactorDigitsBitsDate
739338642528467821303932376.02014-12-20 17:53:56
P-1 factors
DateFactorB1B2
2014-12-207393386425284678213039366500013965000
History
DateUserTypeResult
2014-12-20Patrik JohanssonF-PM1
Factor: 73933864252846782130393 / (P-1, B1=665000, B2=13965000, E=12)
2014-08-14kdgehmanNF
no factor from 2^73 to 2^74
2014-08-14kdgehmanNF
no factor from 2^72 to 2^73
2014-08-14kdgehmanNF
no factor from 2^71 to 2^72
2014-05-18HBendtzNF
no factor from 2^70 to 2^71
2012-06-07tscNF
no factor to 2^70
2010-06-02Per JessenNF
no factor from 2^68 to 2^69
2010-05-24symalladNF
no factor from 2^67 to 2^68
2010-05-21symalladNF
no factor from 2^66 to 2^67
2010-05-17symalladNF
no factor from 2^65 to 2^66
2010-05-14Stefan PriehseNF
no factor from 2^64 to 2^65
2008-10-14-Anonymous-NF
no factor to 2^64