Marin Mersenne 2^P-1
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MnStatusDetails
4898819Factored
FactorDigitsBitsDate
39190553825.2old
266821654909501385066472374.52019-07-27 09:29:15
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
Verified (Factored)2017-09-20kkmrkkblmbrbkD6EF47A0D6AC0CA01013
Verified (Factored)2018-04-04treborD6EF47A0D6AC0CA0145289013
Verified2019-07-28GAND64BBAB85B19D8FE261859753
Verified2019-07-28ATHD64BBAB85B19D8FE2219778553
History
DateUserTypeResult
2023-09-13USAFSSNF-PM1
B1=256000, B2=105522060
2019-07-28ATHC-PRP
M4898819/39190553/26682165490950138506647 : D64BBAB85B19D8FE
PRP: Verified
PRP without proof (not generated)
2019-07-28GANC-PRP
M4898819/39190553/26682165490950138506647 : D64BBAB85B19D8FE
PRP: Verified
PRP without proof (not generated)
2019-07-27MarkSF-ECM
Factor: 26682165490950138506647 / (ECM curve 3, B1=50000, B2=5000000)
2018-04-04treborC-PRP
M4898819/39190553 : D6EF47A0D6AC0CA0
PRP: Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M4898819/39190553 : D6EF47A0D6AC0CA0
PRP: Verified
PRP without proof (not generated)