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

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MnStatusDetails
63473251Factored
FactorDigitsBitsDate
1232240760819330888762972476.72013-09-09 00:18:50
P-1 factors
DateFactorB1B2
2013-09-091232240760819330888762975500000
History
DateUserTypeResult
2022-03-30LordJuliusNF
no factor from 2^1 to 2^63
2013-09-09Richard KintF-PM1
Factor: 123224076081933088876297
2013-09-01HobelixNF
no factor from 2^73 to 2^74
2013-06-01TheJudgerNF
no factor from 2^72 to 2^73
2013-06-01TheJudgerNF
no factor from 2^71 to 2^72
2012-09-09Bold_SeekerNF
no factor from 2^70 to 2^71
2011-12-25GrunwalderGIMPNF
no factor from 2^69 to 2^70
2009-08-25subgeniusNF
no factor from 2^68 to 2^69
2009-03-07BranMuffinNF
no factor from 2^67 to 2^68
2009-03-04BranMuffinNF
no factor from 2^66 to 2^67
2009-03-02BranMuffinNF
no factor from 2^65 to 2^66
2009-02-26-Anonymous-NF
no factor from 2^64 to 2^65
2009-02-23Wojciech FlorekNF
no factor from 2^63 to 2^64