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

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MnStatusDetails
63300751Factored
FactorDigitsBitsDate
2150814055723408610263992477.52013-07-08 23:57:08
P-1 factors
DateFactorB1B2
2013-07-082150814055723408610263995700000
History
DateUserTypeResult
2022-03-30LordJuliusNF
no factor from 2^1 to 2^63
2013-07-08kurlyF-PM1
Factor: 215081405572340861026399
2013-07-03RichD0NF
no factor from 2^73 to 2^74
2013-05-06TheJudgerNF
no factor from 2^72 to 2^73
2013-05-06TheJudgerNF
no factor from 2^71 to 2^72
2013-04-10lycornNF
no factor from 2^70 to 2^71
2012-01-04FreeTibetNF
no factor from 2^69 to 2^70
2009-09-14GnorfeNF
no factor from 2^68 to 2^69
2009-09-10GnorfeNF
no factor from 2^67 to 2^68
2009-09-07GnorfeNF
no factor from 2^66 to 2^67
2009-09-03unconnectedNF
no factor from 2^65 to 2^66
2009-09-02unconnectedNF
no factor from 2^64 to 2^65
2009-02-16Wojciech FlorekNF
no factor from 2^63 to 2^64