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
14423
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
137336798590871443.6old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001428 / 9201
Estimated T-Level: 40.8 ⓘ
TF below 2^130 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 Kruse6183A12114E8D0A71013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk6183A12114E8D0A71887413
Verified
No proof (small exponent)
2020-04-17Oliver KruseF3BEF2D603DF3B471356353
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbkF3BEF2D603DF3B471639453
History
DateUserTypeResult
2025-02-12masserNF-PP1Start=145/37, B1=355000000, B2=354645000000
2025-02-06masserNF-PP1Start=2/7, B1=355000000, B2=354645000000
2025-01-18masserNF-PP1Start=6/5, B1=355000000, B2=354645000000
2024-07-01kkmrkkblmbrbkC-PRPM14423/13733679859087 : F3BEF2D603DF3B47
2024-02-09-anonymous-NF-PM1B1=100000000000, B2=122154521813133810
2022-02-18Ethan O'ConnorNF-PM1B1=2000000000, B2=20962314425952900
2022-01-26Ethan O'ConnorNF-PM1B1=2000000000, B2=31253931674685720
2022-01-24Ethan O'ConnorNF-PM1B1=2000000000, B2=2140593180
2020-04-17Oliver KruseC-PRPM14423/13733679859087 : F3BEF2D603DF3B47
2017-10-12kkmrkkblmbrbkC-PRPM14423/13733679859087 : 6183A12114E8D0A7
2017-09-21Oliver KruseC-PRPM14423/13733679859087 : 6183A12114E8D0A7
2017-09-21Oliver KruseC-PRPM14423/13733679859087 : 6183A12114E8D0A7
2010-07-20James HintzFFactor: 13733679859087