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:





MnDetails
14627
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
2574353721.3old
2622047001480657057014337666716156935114.32017-07-10 01:02:50
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001711 / 9201
Estimated T-Level: 40.9 ⓘ
TF below 2^131 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 Kruse40E144B8660898082013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbk40E144B8660898082013
Verified
No proof (small exponent)
2017-12-07ATH40E144B8660898082631513
Verified
No proof (small exponent)
2020-04-17Oliver Kruse5B84F30378A4822A21163053
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk5B84F30378A4822A2612453
History
DateUserTypeResult
2025-02-06masserNF-PP1Start=152/43, B1=355000000, B2=354645000000
2025-02-06masserNF-PP1Start=2/7, B1=355000000, B2=354645000000
2025-01-17masserNF-PP1Start=6/5, B1=355000000, B2=354645000000
2024-07-01kkmrkkblmbrbkC-PRPM14627/2574353/26220470014806570570143376667161569 : 5B84F30378A4822A
2024-02-09-anonymous-NF-PM1B1=100000000000, B2=122154521813133810
2023-05-25JacobZNF-PM1B1=7400000000, B2=32522539163164050
2021-08-01ViliamFNF-PM1B1=250000000, B2=42750000000
2020-04-17Oliver KruseC-PRPM14627/2574353/26220470014806570570143376667161569 : 5B84F30378A4822A
2017-12-07ATHC-PRPM14627/2574353/26220470014806570570143376667161569 : 40E144B866089808
2017-10-02kkmrkkblmbrbkC-PRPM14627/2574353/26220470014806570570143376667161569 : 40E144B866089808
2017-09-21Oliver KruseC-PRPM14627/2574353/26220470014806570570143376667161569 : 40E144B866089808
2017-07-10kkmrkkblmbrbkF-ECMFactor: 26220470014806570570143376667161569