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
71716483Factored
FactorDigitsBitsDate
15818433762093199320640549753099646668572742136.92015-05-06 03:46:44
P-1 factors
DateFactorB1B2
2015-05-0615818433762093199320640549753099646668572761500011992500
History
DateUserTypeResult
2015-05-06garoF-PM1
Factor: 158184337620931993206405497530996466685727 / (P-1, B1=615000, B2=11992500, E=6)
2015-04-27NickOfTimeNF
no factor from 2^74 to 2^75
2015-04-27NickOfTimeNF
no factor from 2^73 to 2^74
2015-03-09BdotNF
no factor from 2^72 to 2^73
2013-02-15Never Odd Or EvenNF
no factor from 2^71 to 2^72
2013-02-15Never Odd Or EvenNF
no factor from 2^70 to 2^71
2012-11-19ITSNF
no factor from 2^69 to 2^70
2011-02-05eon_blue_apocalypseNF
no factor from 2^68 to 2^69
2011-02-01ANONYMOUSNF
no factor from 2^67 to 2^68
2011-01-26David BarleyNF
no factor from 2^66 to 2^67
2010-07-01ITSNF
no factor from 2^65 to 2^66
2010-04-26GrunwalderGIMPNF
no factor from 2^64 to 2^65
2008-09-29-Anonymous-NF
no factor to 2^64