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

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MnStatusDetails
12119Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
24239514.6old
85706779911033.02008-08-26 19:58:36
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 Kruse46C4A72A6132B48D2013
Verified2017-10-12kkmrkkblmbrbk46C4A72A6132B48D2719613
Verified2020-04-17Oliver Kruse9C88B1D93C8E4B092627853
Verified (Factored)2022-05-12Jorge Coveiro9C88B1D93C8E4B091464353
Verified2023-05-19-Anonymous-9C88B1D93C8E4B092111753
History
DateUserTypeResult
2023-05-19-Anonymous-C-PRP
M12119/24239/8570677991 : 9C88B1D93C8E4B09
PRP: Verified
PRP without proof (small exponent)
2023-04-06-Anonymous-NF-PM1
B1=100000000000, B2=120942232635634410
2022-05-12Jorge CoveiroC-PRP
M12119/24239 : 9C88B1D93C8E4B09
PRP: Verified
PRP without proof (small exponent)
2020-04-17Oliver KruseC-PRP
M12119/24239/8570677991 : 9C88B1D93C8E4B09
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M12119/24239/8570677991 : 46C4A72A6132B48D
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M12119/24239/8570677991 : 46C4A72A6132B48D
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M12119/24239/8570677991 : 46C4A72A6132B48D
PRP without proof (not generated)
2016-09-08kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-08-26-Anonymous-F
Factor: 8570677991