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

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MnStatusDetails
79233487Factored
FactorDigitsBitsDate
38315807801059063782505304381256451136118.22016-08-05 09:49:06
P-1 factors
DateFactorB1B2
2016-08-053831580780105906378250530438125645116700000
History
DateUserTypeResult
2016-08-05bamF-PM1
Factor: 383158078010590637825053043812564511 / (P-1, B1=670000)
2016-07-21AirSquirrelsNF
no factor from 2^74 to 2^75
2016-07-21AirSquirrelsNF
no factor from 2^73 to 2^74
2016-07-21AirSquirrelsNF
no factor from 2^72 to 2^73
2016-04-05Mark RoseNF
no factor from 2^64 to 2^65
2016-04-04Mark RoseNF
no factor from 2^63 to 2^64
2016-02-20RichD0NF
no factor from 2^71 to 2^72
2013-01-23phoenicisNF
no factor from 2^70 to 2^71
2011-02-09eon_blue_apocalypseNF
no factor from 2^69 to 2^70
2010-12-07Torchwood InstituteNF
no factor from 2^68 to 2^69
2010-12-06Per JessenNF
no factor from 2^67 to 2^68
2010-11-29PrimeCruncherNF
no factor from 2^66 to 2^67
2010-11-19-Anonymous-NF
no factor from 2^65 to 2^66