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
14347
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
1183188036979538742550062892786.6old
447711231337067898392869962124931101.82017-06-06 21:21:51
P-1 factors
DateFactorsB1B2
2024-02-09No new factors discovered100000000000122154521813133808
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001425 / 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 Kruse9A6773D0618A24332013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbk9A6773D0618A24332013
Verified
No proof (small exponent)
2017-12-07ATH9A6773D0618A243321307513
Verified
No proof (small exponent)
2020-04-17Oliver Kruse3A1D4DB85845AF022596753
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk3A1D4DB85845AF0221421853
History
DateUserTypeResult
2025-02-14masserNF-PP1Start=141/37, B1=355000000, B2=354645000000
2025-02-07masserNF-PP1Start=2/7, B1=355000000, B2=354645000000
2025-01-19masserNF-PP1Start=6/5, B1=355000000, B2=354645000000
2024-07-01kkmrkkblmbrbkC-PRPM14347/118318803697953874255006289/4477112313370678983928699621249 : 3A1D4DB85845AF02
2024-02-09-anonymous-F-PM1Factors: 118318803697953874255006289,4477112313370678983928699621249 / B1=100000000000, B2=122154521813133810
2023-05-24JacobZNF-PM1B1=7600000000, B2=30020805351537000
2022-01-24Ethan O'ConnorNF-PM1B1=1000000000, B2=3088390743498060
2020-04-17Oliver KruseC-PRPM14347/118318803697953874255006289/4477112313370678983928699621249 : 3A1D4DB85845AF02
2017-12-07ATHC-PRPM14347/118318803697953874255006289/4477112313370678983928699621249 : 9A6773D0618A2433
2017-10-02kkmrkkblmbrbkC-PRPM14347/118318803697953874255006289/4477112313370678983928699621249 : 9A6773D0618A2433
2017-09-21Oliver KruseC-PRPM14347/118318803697953874255006289/4477112313370678983928699621249 : 9A6773D0618A2433
2017-09-21Oliver KruseC-PRPM14347/118318803697953874255006289/4477112313370678983928699621249 : 9A6773D0618A2433
2017-06-06kkmrkkblmbrbkF-ECMFactor: 4477112313370678983928699621249