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

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MnStatusDetails
71918663Factored
FactorDigitsBitsDate
136716293965494795406352042332993.52015-05-31 20:41:16
P-1 factors
DateFactorB1B2
2015-05-31136716293965494795406352042336200000
History
DateUserTypeResult
2015-05-31TheJudgerF-PM1
Factor: 13671629396549479540635204233 / (P-1, B1=620000)
2015-05-27ktonyNF
no factor from 2^74 to 2^75
2015-05-27ktonyNF
no factor from 2^73 to 2^74
2015-05-17ixfd64NF
no factor from 2^72 to 2^73
2015-02-10RichD0NF
no factor from 2^71 to 2^72
2013-04-13Charles A. MorrisNF
no factor from 2^70 to 2^71
2010-05-09Tom DuellNF
no factor to 2^70
2010-05-05xtuhNF
no factor from 2^64 to 2^65
2008-10-03-Anonymous-NF
no factor to 2^64