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

PrimeNet Exponent Status

Exponent Range:





MnDetails
10883
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
21767514.4old
7574569722.92008-08-26 19:58:33
221239418711134.42008-08-26 19:58:33
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000002479 / 16550
Estimated T-Level: 45.7 ⓘ
TF below 2^147 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 Kruse37AB96FB63F90CEF3013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk37AB96FB63F90CEF3886213
Verified
No proof (small exponent)
2020-04-17Oliver Kruse3A5E9BEB0861D1783836253
Factored
No proof (small exponent)
2022-05-12Jorge Coveiro3A5E9BEB0861D1781450853
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk3A5E9BEB0861D1783178753
History
DateUserTypeResult
2025-02-22masserNF-PP1Start=92/61, B1=640000000, B2=639360000000
2025-02-15masserNF-PP1Start=6/5, B1=640000000, B2=639360000000
2025-01-27masserNF-PP1Start=2/7, B1=640000000, B2=639360000000
2024-07-01kkmrkkblmbrbkC-PRPM10883/21767/22123941871/7574569 : 3A5E9BEB0861D178
2022-12-29-anonymous-NF-PM1B1=100000000000, B2=122192573512709700
2022-05-12Jorge CoveiroC-PRPM10883/21767 : 3A5E9BEB0861D178
2020-04-17Oliver KruseC-PRPM10883/21767/7574569/22123941871 : 3A5E9BEB0861D178
2017-10-12kkmrkkblmbrbkC-PRPM10883/21767/7574569/22123941871 : 37AB96FB63F90CEF
2017-09-21Oliver KruseC-PRPM10883/21767/7574569/22123941871 : 37AB96FB63F90CEF
2017-09-21Oliver KruseC-PRPM10883/21767/7574569/22123941871 : 37AB96FB63F90CEF
2016-09-07kkmrkkblmbrbkNF-PM1B1=100000000, B2=10000000000, E=12
2008-08-26-anonymous-FFactor: 22123941871
2008-08-26-anonymous-FFactor: 7574569