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
65881481Factored
FactorDigitsBitsDate
65571160317519367720859620082137651136119.02014-03-01 06:25:29
P-1 factors
DateFactorB1B2
2014-03-016557116031751936772085962008213765115750009200000
History
DateUserTypeResult
2022-03-30LordJuliusNF
no factor from 2^60 to 2^63
2014-03-01tscF-PM1
Factor: 655711603175193677208596200821376511
2014-01-20kdgehmanNF
no factor from 2^73 to 2^74
2014-01-20kdgehmanNF
no factor from 2^72 to 2^73
2014-01-20kdgehmanNF
no factor from 2^71 to 2^72
2013-07-18Carsten KossendeyNF
no factor from 2^70 to 2^71
2012-01-29Simon HarrisonNF
no factor from 2^69 to 2^70
2009-11-04-Anonymous-NF
no factor from 2^68 to 2^69
2009-10-28piNF
no factor from 2^67 to 2^68
2009-10-27subgeniusNF
no factor from 2^66 to 2^67
2009-03-27Sturle SundeNF
no factor from 2^65 to 2^66
2009-03-25Ryan SchulzNF
no factor from 2^64 to 2^65
2009-01-23Wojciech FlorekNF
no factor from 2^63 to 2^64