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
64606691Factored
FactorDigitsBitsDate
743121167001358521460572376.02013-12-09 04:05:10
P-1 factors
DateFactorB1B2
2013-12-09743121167001358521460575750000
History
DateUserTypeResult
2022-03-30LordJuliusNF
no factor from 2^60 to 2^63
2013-12-09Team_InspectorF-PM1
Factor: 74312116700135852146057
2013-11-26BdotNF
no factor from 2^73 to 2^74
2013-11-25BdotNF
no factor from 2^72 to 2^73
2013-10-18Mark RoseNF
no factor from 2^71 to 2^72
2012-05-31america64NF
no factor from 2^70 to 2^71
2011-09-30america64NF
no factor from 2^69 to 2^70
2010-02-16thej_man1042NF
no factor from 2^68 to 2^69
2010-02-07ScotchNF
no factor from 2^67 to 2^68
2010-02-07Sturle SundeNF
no factor from 2^66 to 2^67
2010-01-30Sturle SundeNF
no factor from 2^65 to 2^66
2009-03-19ScoutNF
no factor from 2^64 to 2^65
2009-03-12-Anonymous-NF
no factor from 2^63 to 2^64