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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
10177Factored
FactorDigitsBitsDate
720560479069371446.0old
2301222569742791547.72008-08-26 19:58:30
20821470173292015771960.92008-08-29 02:24:25
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 Kruse19685D6B9C3A62B33013
Verified2017-10-02kkmrkkblmbrbk19685D6B9C3A62B33013
Verified2017-10-12kkmrkkblmbrbk19685D6B9C3A62B33871313
Unverified2020-04-17Oliver Kruse3E338CEBDAB5B6__3714753
P-1 factors
DateFactorB1B2
2022-10-102082147017329201577100000000000121570702234581600
History
DateUserTypeResult
2022-10-10Anton RepkoF-PM1
Factor: 2082147017329201577 / (P-1, B1=100000000000, B2=121570702234581600)
2021-08-01ViliamFNF-PM1
B1=250000000, B2=40250000000
2020-04-17Oliver KruseC-PRP
M10177/72056047906937/230122256974279/2082147017329201577 : 3E338CEBDAB5B6__
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M10177/72056047906937/230122256974279/2082147017329201577 : 19685D6B9C3A62B3
PRP without proof (not generated)
2017-10-02kkmrkkblmbrbkC-PRP
M10177/72056047906937/230122256974279/2082147017329201577 : 19685D6B9C3A62B3
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M10177/known_factors : 19685D6B9C3A62B3
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-08-29-Anonymous-F-ECM
Factor: 2082147017329201577
2008-08-26-Anonymous-F
Factor: 230122256974279