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

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MnStatusDetails
11279Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
21980298868791341.0old
60754298610178663511962.42008-08-29 02:24:27
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001282 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse63266DCFEA30CF6A2013
Verified2017-10-12kkmrkkblmbrbk63266DCFEA30CF6A2726713
Verified2020-04-17Oliver Kruse266906CA1834D2D321090553
Verified2024-07-01kkmrkkblmbrbk266906CA1834D2D3253053
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M11279/2198029886879/6075429861017866351 : 266906CA1834D2D3
PRP: Verified
PRP without proof (small exponent)
2023-01-20-Anonymous-NF-PM1
B1=100000000000, B2=122192573512709700
2020-04-17Oliver KruseC-PRP
M11279/2198029886879/6075429861017866351 : 266906CA1834D2D3
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M11279/2198029886879/6075429861017866351 : 63266DCFEA30CF6A
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11279/2198029886879/6075429861017866351 : 63266DCFEA30CF6A
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11279/2198029886879/6075429861017866351 : 63266DCFEA30CF6A
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-08-29-Anonymous-F-ECM
Factor: 6075429861017866351