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:





MnDetails
10639
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
4272517925031238.6old
59170045651242731652.42008-08-29 02:24:26
21678365284717255691960.92008-08-26 19:58:32
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000003289 / 16550
Estimated T-Level: 46.0 ⓘ
TF below 2^148 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
No proof (small exponent)
2017-09-21Oliver KruseE1B9F761E0A33F3B3013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbkE1B9F761E0A33F3B3013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbkE1B9F761E0A33F3B3357813
Verified
No proof (small exponent)
2020-04-17Oliver Kruse8E12E264D3894FA2322053
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk8E12E264D3894FA23270653
History
DateUserTypeResult
2025-02-25masserNF-PP1Start=81/19, B1=640000000, B2=639360000000
2025-02-17masserNF-PP1Start=6/5, B1=640000000, B2=639360000000
2025-01-28masserNF-PP1Start=2/7, B1=640000000, B2=639360000000
2024-07-01kkmrkkblmbrbkC-PRPM10639/2167836528471725569/427251792503/5917004565124273 : 8E12E264D3894FA2
2022-11-09-anonymous-NF-PM1B1=100000000000, B2=120443211520241610
2021-08-02ViliamFNF-PM1B1=250000000, B2=40250000000
2020-04-17Oliver KruseC-PRPM10639/427251792503/5917004565124273/2167836528471725569 : 8E12E264D3894FA2
2017-10-12kkmrkkblmbrbkC-PRPM10639/427251792503/5917004565124273/2167836528471725569 : E1B9F761E0A33F3B
2017-10-02kkmrkkblmbrbkC-PRPM10639/427251792503/5917004565124273/2167836528471725569 : E1B9F761E0A33F3B
2017-09-21Oliver KruseC-PRPM10639/427251792503/2167836528471725569/5917004565124273 : E1B9F761E0A33F3B
2016-09-07kkmrkkblmbrbkNF-PM1B1=100000000, B2=10000000000, E=12
2008-08-29-anonymous-F-PM1Factor: 5917004565124273
2008-08-26-anonymous-F-ECMFactor: 2167836528471725569