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
14783
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
29567514.9old
4523599722.12008-08-26 19:58:44
7480199722.82008-08-26 19:58:44
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001418 / 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 Kruse09C40503CDCD82243013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk09C40503CDCD82243392113
Verified
No proof (small exponent)
2020-04-17Oliver Kruse0E4BB94BE54484213601053
Factored
No proof (small exponent)
2022-05-12Jorge Coveiro0E4BB94BE544842111445853
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk0E4BB94BE54484213527853
History
DateUserTypeResult
2025-02-05masserNF-PP1Start=2/7, B1=355000000, B2=354645000000
2025-02-04masserNF-PP1Start=189/17, B1=355000000, B2=354645000000
2025-01-14masserNF-PP1Start=6/5, B1=355000000, B2=354645000000
2024-07-01kkmrkkblmbrbkC-PRPM14783/29567/4523599/7480199 : 0E4BB94BE5448421
2024-03-07-anonymous-NF-PM1B1=100000000000, B2=122154521813133810
2023-05-27JacobZNF-PM1B1=7300000000, B2=30020805351537000
2022-05-12Jorge CoveiroC-PRPM14783/29567 : 0E4BB94BE5448421
2021-08-02ViliamFNF-PM1B1=250000000, B2=42750000000
2020-04-17Oliver KruseC-PRPM14783/29567/4523599/7480199 : 0E4BB94BE5448421
2017-10-12kkmrkkblmbrbkC-PRPM14783/29567/4523599/7480199 : 09C40503CDCD8224
2017-09-21Oliver KruseC-PRPM14783/29567/4523599/7480199 : 09C40503CDCD8224
2017-09-21Oliver KruseC-PRPM14783/29567/4523599/7480199 : 09C40503CDCD8224
2008-08-26-anonymous-FFactor: 7480199
2008-08-26-anonymous-FFactor: 4523599