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

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MnStatusDetails
4179067Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
4400724713691238.7old
3031952108974126791858.12015-08-07 11:08:12
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-20kkmrkkblmbrbkCA0C11B6A8AAD34B2013
Verified2018-01-17Oliver KruseCA0C11B6A8AAD34B2107460013
History
DateUserTypeResult
2023-01-26USAFSSNF-PM1
B1=337000, B2=227966310
2018-01-17Oliver KruseC-PRP
M4179067/440072471369/303195210897412679 : CA0C11B6A8AAD34B
PRP: Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M4179067/303195210897412679/440072471369 : CA0C11B6A8AAD34B
PRP: Verified
PRP without proof (not generated)
2015-08-07TJAOIF
Factor: 303195210897412679 / TF: 58-59