Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
34567381Factored
FactorDigitsBitsDate
4143959445095530816534812478.52015-02-11 21:52:53
LL
StatusDateUserResidueShift
Bad2005-11-13Jörg Thomsen3446CAB6F970CD4328430428
Verified (Factored)2006-07-10Rhonda RobisonCBCA3474CAA70A154076037
Verified (Factored)2019-02-06MadPooCBCA3474CAA70A156131987
P-1 factors
DateFactorB1B2
2015-02-11414395944509553081653481500000500000
History
DateUserTypeResult
2019-02-06MadPooC-LL
CBCA3474CAA70A15
2015-02-11HBendtzF-PM1
Factor: 414395944509553081653481 / (P-1, B1=500000, B2=500000, e=12, n=2048K)
2014-08-24monstNF
no factor from 2^70 to 2^71
2014-07-06VictordeHollanderNF
no factor from 2^69 to 2^70
2013-01-24David CampeauNF
no factor from 2^68 to 2^69