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
14923Factored
FactorBitsDate
1110271323.4old
39600451780738.52008-08-26 19:58:44
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000001545 / 4588
Estimated T-Level: 36.7
TF below 2^117 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse9CDE3A61B011AB852013
Verified2017-10-12kkmrkkblmbrbk9CDE3A61B011AB852939313
Unverified2020-04-17Oliver KruseA1D02605121C98__21447753
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2023-05-17Denial140factor ECM small0.00 % 2023-07-06
2023-05-17Denial140factor ECM small0.00 % 2023-07-06
2023-05-17Denial140factor ECM small0.00 % 2023-07-06
2023-05-17Denial140factor ECM small0.00 % 2023-07-06
2023-05-17Denial140factor ECM small0.00 % 2023-07-06
2023-05-17Denial140factor ECM small0.00 % 2023-07-06
History
DateUserTypeResult
2023-05-27JacobZNF-PM1
B1=7300000000, B2=30020805351537000
2021-12-02Lisander ViaeneNF-PM1
B1=100000000, B2=114249978542700
2020-04-17Oliver KruseC-PRP
M14923/11102713/396004517807 : A1D02605121C98__
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M14923/11102713/396004517807 : 9CDE3A61B011AB85
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14923/11102713/396004517807 : 9CDE3A61B011AB85
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14923/11102713/396004517807 : 9CDE3A61B011AB85
PRP without proof (not generated)
2008-08-26-Anonymous-F
Factor: 396004517807