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

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MnStatusDetails
82146173Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
73024733345856042697545896412892.62017-07-10 04:39:40
P-1 factors
DateFactorB1B2
2017-07-10730247333458560426975458964172000014040000
History
DateUserTypeResult
2017-07-10Smok_bmv F-PM1
Factor: 7302473334585604269754589641 / (P-1, B1=720000, B2=14040000)
2016-11-26Matthias WurtingerNF
no factor from 2^74 to 2^75
2016-11-26Matthias WurtingerNF
no factor from 2^73 to 2^74
2016-11-21Judge HaleNF
no factor from 2^72 to 2^73
2016-08-13tmorrowNF
no factor from 2^71 to 2^72
2013-11-12g0bNF
no factor from 2^70 to 2^71
2013-08-19SMoffatNF
no factor from 2^69 to 2^70
2013-08-18SMoffatNF
no factor from 2^68 to 2^69
2013-06-10GrunwalderGIMPNF
no factor from 2^67 to 2^68
2013-02-08Florimond C.NF
no factor from 2^66 to 2^67
2012-08-13Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-16Architects CubedNF
no factor from 2^64 to 2^65