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
56923Factored
FactorDigitsBitsDate
2276921721.1old
2390767721.22008-08-26 20:08:43
9802369430471239.82008-08-26 20:08:43
58218042351006870063642891013606448001004142138.72016-11-11 17:36:35
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
403000000599 / 4588
Estimated T-Level: 35.7
TF below 2^113 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-20kkmrkkblmbrbk6AAFCB2E447969754013
Verified2017-10-02kkmrkkblmbrbk6AAFCB2E447969754013
Verified2017-11-06ATH6AAFCB2E4479697543376813
Verified2020-04-17Oliver KruseB057C7749370F05B42441253
Verified2024-02-03Wentao HuangB057C7749370F05B42620353
P-1 factors
DateFactorB1B2
2016-11-115821804235100687006364289101360644800100411000000001127852062260
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M56923/2276921/2390767/980236943047/582180423510068700636428910136064480010041 : B057C7749370F05B
PRP: Verified
PRP without proof (small exponent)
2023-04-24JacobZNF-PM1
B1=610000000, B2=796623579982230
2021-05-04ATHNF-PP1
Start=2/7, B1=15000000, B2=1500000000
2020-04-17Oliver KruseC-PRP
M56923/2276921/2390767/980236943047/582180423510068700636428910136064480010041 : B057C7749370F05B
PRP: Verified
PRP without proof (small exponent)
2017-11-06ATHC-PRP
M56923/2276921/2390767/980236943047/582180423510068700636428910136064480010041 : 6AAFCB2E44796975
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M56923/2276921/2390767/980236943047/582180423510068700636428910136064480010041 : 6AAFCB2E44796975
PRP: Verified
PRP without proof (not generated)
2017-09-27csabaC-PRP
M56923/known_factors : 6AAFCB2E44796975
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M56923/2276921/2390767/582180423510068700636428910136064480010041/980236943047 : 6AAFCB2E44796975
PRP: Verified
PRP without proof (not generated)
2016-11-11kkmrkkblmbrbkF-PM1
Factor: 582180423510068700636428910136064480010041 / (P-1, B1=100000000, B2=1127852062260)
2016-10-02kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2008-08-26-Anonymous-F
Factor: 980236943047
2008-08-26-Anonymous-F
Factor: 2390767