Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
14813Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
37328761825.2old
79136691234311342.82008-08-26 19:58:44
1404653492030647710736332476.92008-08-29 02:24:35
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001256 / 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 Kruse21AC83EED2F4AA853013
Verified2017-10-02kkmrkkblmbrbk21AC83EED2F4AA853013
Verified2017-12-07ATH21AC83EED2F4AA8531201613
Verified2020-04-17Oliver Kruse486AF76BA7827F90370253
Verified2024-07-01kkmrkkblmbrbk486AF76BA7827F903331053
P-1 factors
DateFactorB1B2
2024-03-07140465349203064771073633100000000000122154521813133808
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M14813/140465349203064771073633/37328761/7913669123431 : 486AF76BA7827F90
PRP: Verified
PRP without proof (small exponent)
2024-03-07-Anonymous-F-PM1
Factor: 140465349203064771073633 / (P-1, B1=100000000000, B2=122154521813133810)
2023-05-27JacobZNF-PM1
B1=7300000000, B2=30020805351537000
2021-08-02ViliamFNF-PM1
B1=250000000, B2=42750000000
2020-04-17Oliver KruseC-PRP
M14813/37328761/7913669123431/140465349203064771073633 : 486AF76BA7827F90
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M14813/37328761/7913669123431/140465349203064771073633 : 21AC83EED2F4AA85
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M14813/37328761/7913669123431/140465349203064771073633 : 21AC83EED2F4AA85
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14813/known_factors : 21AC83EED2F4AA85
PRP without proof (not generated)
2008-08-29-Anonymous-F-ECM
Factor: 140465349203064771073633
2008-08-26-Anonymous-F
Factor: 7913669123431