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
74230187Factored
FactorDigitsBitsDate
1418952798866086600720792476.92015-11-06 20:56:19
P-1 factors
DateFactorB1B2
2015-11-0614189527988660866007207963500011906250
History
DateUserTypeResult
2015-11-06Jwb52zF-PM1
Factor: 141895279886608660072079 / (P-1, B1=635000, B2=11906250)
2015-10-29AirSquirrelsNF
no factor from 2^74 to 2^75
2015-10-29AirSquirrelsNF
no factor from 2^73 to 2^74
2015-08-31BdotNF
no factor from 2^72 to 2^73
2015-06-07RichD0NF
no factor from 2^71 to 2^72
2013-05-09SMoffatNF
no factor from 2^70 to 2^71
2012-10-29Clown_RoyalNF
no factor from 2^69 to 2^70
2010-12-05Sid & AndyNF
no factor from 2^68 to 2^69
2010-11-29kwaifehNF
no factor from 2^67 to 2^68
2010-11-26kurlyNF
no factor from 2^66 to 2^67
2010-11-19trifNF
no factor from 2^65 to 2^66
2010-10-27-Anonymous-NF
no factor from 2^64 to 2^65
2008-09-12lycornNF
no factor to 2^64