Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
11087Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
68838961271032.7old
212322480471134.32008-08-26 19:58:34
7000366552196052513432169.22008-08-29 02:24:27
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000002604 / 9201
Estimated T-Level: 41.4
TF below 2^133 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseD6026E72D722C1883013
Verified2017-10-02kkmrkkblmbrbkD6026E72D722C1883013
Verified2017-12-07ATHD6026E72D722C1883426613
Verified2020-04-17Oliver Kruse93711EA3328BDA453312853
Verified2024-07-01kkmrkkblmbrbk93711EA3328BDA453856053
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M11087/21232248047/6883896127/700036655219605251343 : 93711EA3328BDA45
PRP: Verified
PRP without proof (small exponent)
2022-12-29-Anonymous-NF-PM1
B1=100000000000, B2=122192573512709700
2020-04-17Oliver KruseC-PRP
M11087/6883896127/21232248047/700036655219605251343 : 93711EA3328BDA45
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M11087/6883896127/21232248047/700036655219605251343 : D6026E72D722C188
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M11087/6883896127/21232248047/700036655219605251343 : D6026E72D722C188
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11087/6883896127/21232248047/700036655219605251343 : D6026E72D722C188
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11087/6883896127/21232248047/700036655219605251343 : D6026E72D722C188
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-08-29-Anonymous-F-ECM
Factor: 700036655219605251343
2008-08-26-Anonymous-F
Factor: 21232248047