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

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MnStatusDetails
81324473Factored
FactorDigitsBitsDate
566049529324966545718056492685.52017-05-25 13:29:38
P-1 factors
DateFactorB1B2
2017-05-255660495293249665457180564969000014145000
History
DateUserTypeResult
2017-05-25Sergey NosovF-PM1
Factor: 56604952932496654571805649 / (P-1, B1=690000, B2=14145000, E=12)
2016-11-18-Anonymous-NF
no factor from 2^74 to 2^75
2016-11-18-Anonymous-NF
no factor from 2^73 to 2^74
2016-09-16Judge HaleNF
no factor from 2^72 to 2^73
2016-09-16Judge HaleNF
no factor from 2^71 to 2^72
2013-11-04RobishNF
no factor from 2^70 to 2^71
2013-11-04-Anonymous-NF
no factor from 2^70 to 2^71
2013-08-18SMoffatNF
no factor from 2^69 to 2^70
2013-06-08g0bNF
no factor from 2^68 to 2^69
2013-03-01Simon HarrisonNF
no factor from 2^67 to 2^68
2013-01-30phoenicisNF
no factor from 2^66 to 2^67
2012-08-07Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-13Architects CubedNF
no factor from 2^64 to 2^65