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

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MnStatusDetails
78146099Factored
FactorDigitsBitsDate
52408291516315771463457772582.12016-05-01 15:15:44
P-1 factors
DateFactorB1B2
2016-05-01524082915163157714634577768000013770000
History
DateUserTypeResult
2016-05-01TheJudgerF-PM1
Factor: 5240829151631577146345777 / (P-1, B1=680000, B2=13770000, E=12)
2016-04-21RichD0NF
no factor from 2^72 to 2^75
2016-04-04Mark RoseNF
no factor from 2^62 to 2^64
2014-03-13snme2pm1NF
no factor from 2^71 to 2^72
2013-01-08SWL551NF
no factor from 2^70 to 2^71
2011-03-12symalladNF
no factor from 2^69 to 2^70
2011-03-07YxinityNF
no factor from 2^68 to 2^69
2011-03-01ITSNF
no factor from 2^67 to 2^68
2011-02-25ITSNF
no factor from 2^66 to 2^67
2011-02-21ANONYMOUSNF
no factor from 2^65 to 2^66
2010-10-20-Anonymous-NF
no factor from 2^64 to 2^65