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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
54751Factored
FactorDigitsBitsDate
252388237984637275443284708635768134111.02013-04-06 12:58:55
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
403000000571 / 4588
Estimated T-Level: 35.6
TF below 2^113 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Unknown4F4C0
Verified (Factored)Robert ClarkD8F46C53D40E4F4C0
Verified (Factored)Brian J. BeesleyD8F46C53D40E4F4C0
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse6AEAB9DE20CC18AA1013
Verified2017-10-13kkmrkkblmbrbk6AEAB9DE20CC18AA11533513
Verified2020-04-17Oliver Kruse36F77C6BFBB818D014210953
Verified2024-02-03Wentao Huang36F77C6BFBB818D012631353
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M54751/2523882379846372754432847086357681 : 36F77C6BFBB818D0
PRP: Verified
PRP without proof (small exponent)
2023-04-18JacobZNF-PM1
B1=640000000, B2=796623579982230
2022-05-07LordJuliusNF
no factor from 2^58 to 2^59
2022-05-07LordJuliusNF
no factor from 2^57 to 2^58
2021-11-13fbaurNF-PP1
Start=6/5, B1=50000000, B2=7050000000
2021-05-02ATHNF-PP1
Start=2/7, B1=15000000, B2=1500000000
2020-04-17Oliver KruseC-PRP
M54751/2523882379846372754432847086357681 : 36F77C6BFBB818D0
PRP: Verified
PRP without proof (small exponent)
2017-10-13kkmrkkblmbrbkC-PRP
M54751/2523882379846372754432847086357681 : 6AEAB9DE20CC18AA
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M54751/2523882379846372754432847086357681 : 6AEAB9DE20CC18AA
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M54751/2523882379846372754432847086357681 : 6AEAB9DE20CC18AA
PRP without proof (not generated)
2013-04-06SRJ2877F-ECM
Factor: 2523882379846372754432847086357681
2012-05-02alpertronNF-PM1
B1=100000000, B2=2000000000, E=12
2012-02-17JossNF-PM1
B1=17953158
2009-01-08Sturle SundeNF
no factor from 2^59 to 2^60