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

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MnStatusDetails
62443247Factored
FactorDigitsBitsDate
2501876400885812825584072477.72013-04-07 05:50:03
P-1 factors
DateFactorB1B2
2013-04-0725018764008858128255840759500012197500
History
DateUserTypeResult
2022-03-30LordJuliusNF
no factor from 2^1 to 2^63
2013-04-07HBendtzF-PM1
Factor: 250187640088581282558407
2013-04-03BdotNF
no factor from 2^72 to 2^73
2013-04-03BdotNF
no factor from 2^71 to 2^72
2013-03-03Carsten KossendeyNF
no factor from 2^70 to 2^71
2012-01-09TrexNF
no factor from 2^69 to 2^70
2009-08-30Lukin DmitryNF
no factor from 2^68 to 2^69
2009-08-26Lukin DmitryNF
no factor from 2^67 to 2^68
2009-08-23SMoffatNF
no factor from 2^66 to 2^67
2009-08-15Sturle SundeNF
no factor from 2^65 to 2^66
2009-08-14Lt.Cmdr.DataNF
no factor from 2^64 to 2^65
2008-12-25DerekNF
no factor from 2^63 to 2^64