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

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MnStatusDetails
62000551Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18404029544589835550532012580.62019-07-07 09:21:26
LL
StatusDateUserResidueShift
Verified (Factored)2013-10-20BuckleFB266994942F70C440037720
P-1 factors
DateFactorB1B2
2019-07-071840402954458983555053201180000041000000
History
DateUserTypeResult
2019-07-07mikrF-PM1
Factor: 1840402954458983555053201 / (P-1, B1=1800000, B2=41000000, E=6)
2016-11-24Smok_bmv NF
no factor from 2^74 to 2^75
2013-10-20BuckleC-LL
FB266994942F70C4
2013-07-29BigBrotherNF
no factor from 2^73 to 2^74
2012-07-17Craig MeyersNF
no factor from 2^70 to 2^73
2010-05-09RickyRickyNF
no factor from 2^69 to 2^70
2010-05-05timbitNF-PM1
B1=710000, B2=19880000
2009-12-20Sven K.NF
no factor from 2^68 to 2^69
2009-12-13SAHS Tech DeptNF
no factor from 2^67 to 2^68
2009-12-08trifNF
no factor from 2^66 to 2^67
2009-10-05trifNF
no factor from 2^65 to 2^66
2009-08-09Sturle SundeNF
no factor from 2^64 to 2^65
2008-12-11DerekNF
no factor from 2^63 to 2^64