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

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MnStatusDetails
11801Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
1347465191072891546.9old
87410570700844007016804574492892.82008-10-25 20:59:11
584430601030030865760857328012995.62008-10-25 20:59:11
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 Kruse68102CA064894C853013
Verified2017-10-02kkmrkkblmbrbk68102CA064894C853013
Verified2017-12-07ATH68102CA064894C853982213
Verified2020-04-17Oliver Kruse569E87D1BE724BDE31076453
Verified2024-07-01kkmrkkblmbrbk569E87D1BE724BDE3793653
P-1 factors
DateFactorB1B2
2023-03-2658443060103003086576085732801100000000000122192573512709696
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M11801/134746519107289/58443060103003086576085732801/8741057070084400701680457449 : 569E87D1BE724BDE
PRP: Verified
PRP without proof (small exponent)
2023-03-26-Anonymous-F-PM1
Factor: 58443060103003086576085732801 / (P-1, B1=100000000000, B2=122192573512709700)
2020-04-17Oliver KruseC-PRP
M11801/134746519107289/8741057070084400701680457449/58443060103003086576085732801 : 569E87D1BE724BDE
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M11801/134746519107289/8741057070084400701680457449/58443060103003086576085732801 : 68102CA064894C85
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M11801/134746519107289/8741057070084400701680457449/58443060103003086576085732801 : 68102CA064894C85
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11801/134746519107289/8741057070084400701680457449/58443060103003086576085732801 : 68102CA064894C85
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-10-25Will EdgingtonF-ECM
Factor: 58443060103003086576085732801
2008-10-25Will EdgingtonF-ECM
Factor: 8741057070084400701680457449