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

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MnStatusDetails
11460949Factored
FactorDigitsBitsDate
585756907849153002827512375.62017-06-26 19:39:23
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2001-01-28Jonny Orchard44AAC6C609353D125824065
Verified (Factored)2004-03-16Sean R. McNamara44AAC6C609353D1210361690
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-08-19mrh61A2DF100FEBEFFE1521240053
History
DateUserTypeResult
2021-08-19curtiscCERT
PRP Certification
Proof certified good
2021-08-19mrhC-PRP
M11460949/58575690784915300282751 : 61A2DF100FEBEFFE
PRP proof power = 8
PRP: Verified
Proof certified good
2017-06-26Sergey NosovF-ECM
Factor: 58575690784915300282751 / (ECM curve 1, B1=50000, B2=5000000)
2016-01-15VictordeHollanderNF
no factor from 2^66 to 2^67
2015-02-25NesowaNF
no factor from 2^65 to 2^66
2013-11-16lycornNF
no factor from 2^64 to 2^65