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

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MnStatusDetails
12458659Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
3659708595046921224492892478.32024-07-28 09:11:06
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)2001-08-31Mason GuyDDA36A6310E7C7617472703
Verified (Factored)2005-04-26Shane SanfordDDA36A6310E7C7614353256
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-08-03Luke DurantE299315136A6AAE21635848853
P-1 factors
DateFactorB1B2
2024-07-2836597085950469212244928920000006127810920
History
DateUserTypeResult
2024-08-03La GüiraCERT
PRP Certification
Proof certified good
2024-08-03Luke DurantC-PRP
M12458659/365970859504692122449289 : E299315136A6AAE2
PRP proof power = 8
PRP: Verified
Proof certified good
2024-07-28ThaF-PM1
Factor: 365970859504692122449289 / (P-1, B1=2000000, B2=6127810920)
2021-10-29-Anonymous-NF
no factor from 2^71 to 2^72
2021-08-16SRBaseNF
no factor from 2^70 to 2^71
2021-08-07SRBaseNF
no factor from 2^69 to 2^70
2018-05-25riccardo ubertiNF-PM1
B1=430000, B2=8500000, E=12
2017-11-11ramgeisNF
no factor from 2^68 to 2^69
2015-08-14ThaNF
no factor from 2^67 to 2^68
2015-03-18ThaNF
no factor from 2^66 to 2^67
2014-03-03NesowaNF
no factor from 2^65 to 2^66
2013-07-01lycornNF
no factor from 2^64 to 2^65