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

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MnStatusDetails
75794029Factored
FactorDigitsBitsDate
439822525941757181188466172685.22016-03-30 21:31:18
P-1 factors
DateFactorB1B2
2016-03-304398225259417571811884661762500011718750
History
DateUserTypeResult
2016-03-30Jwb52zF-PM1
Factor: 43982252594175718118846617 / (P-1, B1=625000, B2=11718750)
2016-03-26apocalypseNF
no factor from 2^74 to 2^75
2016-03-26apocalypseNF
no factor from 2^73 to 2^74
2016-03-26apocalypseNF
no factor from 2^72 to 2^73
2015-10-22RichD0NF
no factor from 2^71 to 2^72
2012-12-18wangyun183NF
no factor from 2^70 to 2^71
2010-11-10tmorrowNF
no factor from 2^69 to 2^70
2010-11-07tmorrowNF
no factor from 2^68 to 2^69
2010-11-03blin00NF
no factor from 2^67 to 2^68
2010-10-31blin00NF
no factor from 2^66 to 2^67
2010-08-26EthanNF
no factor from 2^65 to 2^66
2010-08-14seekuaNF
no factor from 2^64 to 2^65
2009-06-01Architects CubedNF
no factor from 2^63 to 2^64