Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
76659431Factored
FactorDigitsBitsDate
53381388379849684202920332582.12016-04-04 18:28:38
P-1 factors
DateFactorB1B2
2016-04-0453381388379849684202920336550000
History
DateUserTypeResult
2016-04-04baseyF-PM1
Factor: 5338138837984968420292033 / (P-1, B1=655000)
2016-03-24AirSquirrelsNF
no factor from 2^74 to 2^75
2016-03-24AirSquirrelsNF
no factor from 2^73 to 2^74
2011-07-23DRHNF
no factor from 2^72 to 2^73
2011-07-23DRHNF
no factor from 2^71 to 2^72
2011-07-23DRHNF
no factor from 2^70 to 2^71
2011-07-23DRHNF
no factor from 2^69 to 2^70
2011-07-23DRHNF
no factor from 2^68 to 2^69
2011-07-23DRHNF
no factor from 2^67 to 2^68
2011-01-29symalladNF
no factor from 2^66 to 2^67
2011-01-11GrunwalderGIMPNF
no factor from 2^65 to 2^66
2010-09-08Allan SchrumNF
no factor from 2^64 to 2^65