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
14897
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
367910423630171445.1old
P-1 factors
DateFactorsB1B2
2022-03-17No new factors discovered1000000001000000000
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001433 / 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 Kruse09B9BB885699E2E51013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk09B9BB885699E2E511248213
Verified
No proof (small exponent)
2020-04-17Oliver KruseE7D891EAA5A23B5A180553
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbkE7D891EAA5A23B5A11190253
History
DateUserTypeResult
2025-02-04masserNF-PP1Start=2/7, B1=355000000, B2=354645000000
2025-02-03masserNF-PP1Start=99/11, B1=355000000, B2=354645000000
2025-01-13masserNF-PP1Start=6/5, B1=355000000, B2=354645000000
2024-07-01kkmrkkblmbrbkC-PRPM14897/36791042363017 : E7D891EAA5A23B5A
2024-03-07-anonymous-NF-PM1B1=100000000000, B2=122154521813133810
2023-05-27JacobZNF-PM1B1=7300000000, B2=30020805351537000
2023-05-03RubiksmathNF-PM1B1=1000000000, B2=138858338138520
2022-03-17onlinegameF-PM1Factor: 36791042363017 / B1=100000000, B2=1000000000
2022-02-06ANONYMOUSNF-PM1B1=50000
2020-04-17Oliver KruseC-PRPM14897/36791042363017 : E7D891EAA5A23B5A
2017-10-12kkmrkkblmbrbkC-PRPM14897/36791042363017 : 09B9BB885699E2E5
2017-09-21Oliver KruseC-PRPM14897/36791042363017 : 09B9BB885699E2E5
2017-09-21Oliver KruseC-PRPM14897/36791042363017 : 09B9BB885699E2E5