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

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MnStatusDetails
70427183Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
72986165859436635053449208712892.62022-11-15 02:29:52
LL
StatusDateUserResidueShift
Verified (Factored)2016-07-22-Anonymous-42B6B01879EB5E2038611479
P-1 factors
DateFactorB1B2
2022-11-15729861658594366350534492087140000003007873440
History
DateUserTypeResult
2022-11-15Reboot ItF-PM1
Factor: 7298616585943663505344920871 / (P-1, B1=4000000, B2=3007873440)
2016-07-22-Anonymous-C-LL
42B6B01879EB5E20
2016-04-16-Anonymous-NF
no factor from 2^74 to 2^75
2014-10-31-Anonymous-NF-PM1
B1=770000
2014-10-29ChuckNF
no factor from 2^73 to 2^74
2014-10-26RichD0NF
no factor from 2^72 to 2^73
2014-09-20srow7NF
no factor from 2^71 to 2^72
2013-04-04GrunwalderGIMPNF
no factor from 2^70 to 2^71
2010-02-02Geoff WingNF
no factor to 2^70
2008-11-22Wojciech FlorekNF
no factor to 2^64