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

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MnStatusDetails
72823183Factored
FactorDigitsBitsDate
3276653246955372013432168.22015-01-16 04:25:28
P-1 factors
DateFactorB1B2
2015-01-1632766532469553720134362500012500000
History
DateUserTypeResult
2015-01-16kurlyF-PM1
Factor: 327665324695537201343 / (P-1, B1=625000, B2=12500000, E=12)
2015-01-08kdgehmanNF
no factor from 2^74 to 2^75
2015-01-08kdgehmanNF
no factor from 2^73 to 2^74
2015-01-08kdgehmanNF
no factor from 2^72 to 2^73
2015-01-08kdgehmanNF
no factor from 2^71 to 2^72
2014-06-27Mark RoseNF
no factor from 2^70 to 2^71
2013-01-02Clown_RoyalNF
no factor from 2^69 to 2^70
2010-05-31sannerud.comNF
no factor from 2^68 to 2^69
2010-05-31eon_blue_apocalypseNF
no factor from 2^67 to 2^68
2010-05-29E.LechnerNF
no factor from 2^66 to 2^67
2010-05-27Martin PrusaNF
no factor from 2^65 to 2^66
2010-05-22E.LechnerNF
no factor from 2^64 to 2^65
2008-09-19Wojciech FlorekNF
no factor to 2^64