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

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Exponent Range:










MnStatusDetails
11699Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
23399514.5old
561553619.12008-08-26 19:58:35
36199866753957522263284572581.62008-10-16 23:57:25
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001308 / 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 Kruse13280F1E5A2854963013
Verified2017-10-12kkmrkkblmbrbk13280F1E5A2854963795413
Verified2020-04-17Oliver KruseE13E8DEFD03598773308553
Verified (Factored)2022-05-12Jorge CoveiroE13E8DEFD03598771152153
Verified2024-07-01kkmrkkblmbrbkE13E8DEFD03598773971453
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M11699/23399/3619986675395752226328457/561553 : E13E8DEFD0359877
PRP: Verified
PRP without proof (small exponent)
2023-01-20-Anonymous-NF-PM1
B1=100000000000, B2=122192573512709700
2022-05-12Jorge CoveiroC-PRP
M11699/23399 : E13E8DEFD0359877
PRP: Verified
PRP without proof (small exponent)
2020-04-17Oliver KruseC-PRP
M11699/23399/561553/3619986675395752226328457 : E13E8DEFD0359877
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M11699/23399/561553/3619986675395752226328457 : 13280F1E5A285496
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11699/23399/561553/3619986675395752226328457 : 13280F1E5A285496
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11699/23399/561553/3619986675395752226328457 : 13280F1E5A285496
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-10-16-Anonymous-F-ECM
Factor: 3619986675395752226328457
2008-08-26-Anonymous-F
Factor: 561553