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

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MnStatusDetails
78945203Factored
FactorDigitsBitsDate
75617401803932324325158412582.62016-07-26 15:34:06
P-1 factors
DateFactorB1B2
2016-07-26756174018039323243251584166500013300000
History
DateUserTypeResult
2016-07-26baseyF-PM1
Factor: 7561740180393232432515841 / (P-1, B1=665000, B2=13300000, E=12)
2016-07-07AirSquirrelsNF
no factor from 2^74 to 2^75
2016-07-07AirSquirrelsNF
no factor from 2^73 to 2^74
2016-07-02hiner112NF
no factor from 2^72 to 2^73
2016-02-23David CampeauNF
no factor from 2^71 to 2^72
2013-02-11Clown_RoyalNF
no factor from 2^70 to 2^71
2012-04-08DeltronNF
no factor from 2^69 to 2^70
2012-04-04DeltronNF
no factor from 2^68 to 2^69
2011-01-27BonzaNF
no factor from 2^67 to 2^68
2011-01-26kagakubuNF
no factor from 2^66 to 2^67
2010-11-13HatchNF
no factor from 2^65 to 2^66
2010-11-11Net_ForceNF
no factor from 2^64 to 2^65
2008-06-23-Anonymous-NF
no factor to 2^64