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
78677777Factored
FactorDigitsBitsDate
124438760665634030330232656172993.32016-07-06 21:29:49
P-1 factors
DateFactorB1B2
2016-07-06124438760665634030330232656176650000
History
DateUserTypeResult
2016-07-06baseyF-PM1
Factor: 12443876066563403033023265617 / (P-1, B1=665000)
2016-06-29dh1NF
no factor from 2^74 to 2^75
2016-06-28electron1897NF
no factor from 2^73 to 2^74
2016-06-20ixfd64NF
no factor from 2^72 to 2^73
2015-09-01RichD0NF
no factor from 2^71 to 2^72
2013-06-12Norman LeyNF
no factor from 2^70 to 2^71
2011-03-23Torchwood InstituteNF
no factor from 2^69 to 2^70
2011-03-17Torchwood InstituteNF
no factor from 2^68 to 2^69
2011-03-12HighPriceRanchNF
no factor from 2^67 to 2^68
2011-03-10HighPriceRanchNF
no factor from 2^66 to 2^67
2011-03-09OtterNF
no factor from 2^65 to 2^66
2010-11-07GrunwalderGIMPNF
no factor from 2^64 to 2^65