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:





MnDetails
10559
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
193546471927.5old
4740315895101699855192168.72008-08-29 02:24:26
P-1 factors
DateFactorsB1B2
2022-11-09No new factors discovered100000000000120443211520241616
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 KruseBE889E2FF698913B2013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbkBE889E2FF698913B2986813
Verified
No proof (small exponent)
2020-04-17Oliver Kruse1CE72D3F8ECABC322385653
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk1CE72D3F8ECABC322261353
History
DateUserTypeResult
2025-02-24masserNF-PP1Start=148/59, B1=640000000, B2=639360000000
2025-02-18masserNF-PP1Start=6/5, B1=640000000, B2=639360000000
2025-01-28masserNF-PP1Start=2/7, B1=640000000, B2=639360000000
2024-07-01kkmrkkblmbrbkC-PRPM10559/193546471/474031589510169985519 : 1CE72D3F8ECABC32
2022-11-09-anonymous-F-PM1Factor: 474031589510169985519 / B1=100000000000, B2=120443211520241610
2021-08-02ViliamFNF-PM1B1=250000000, B2=40250000000
2020-04-17Oliver KruseC-PRPM10559/193546471/474031589510169985519 : 1CE72D3F8ECABC32
2017-10-12kkmrkkblmbrbkC-PRPM10559/193546471/474031589510169985519 : BE889E2FF698913B
2017-09-21Oliver KruseC-PRPM10559/193546471/474031589510169985519 : BE889E2FF698913B
2017-09-21Oliver KruseC-PRPM10559/193546471/474031589510169985519 : BE889E2FF698913B
2016-09-07kkmrkkblmbrbkNF-PM1B1=100000000, B2=10000000000, E=12
2008-08-29-anonymous-F-ECMFactor: 474031589510169985519