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
6367
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2026-02-21VGDominionECM2026-02-222026-03-05
2026-02-21VGDominionECMC1S140.75 %2026-02-222026-03-05
Factored
FactorDigitsBitsDate
63671516.0old
31016352660471341.5old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000002870 / 16550
Estimated T-Level: 45.9
TF below 2^147 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 Kruse029820EC5D9BE0052013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk029820EC5D9BE0052411013
Verified
No proof (small exponent)
2020-04-17Oliver Kruse918B25251E6E308F2603853
Verified
No proof (small exponent)
2024-02-03Wentao Huang918B25251E6E308F2469253
History
DateUserTypeResult
2025-03-19masserNF-PP1Start=142/23, B1=1000000000, B2=999000000000
2025-03-11masserNF-PP1Start=6/5, B1=1000000000, B2=999000000000
2025-03-02masserNF-PP1Start=2/7, B1=1000000000, B2=999000000000
2024-02-03Wentao HuangC-PRPM6367/63671/3101635266047 : 918B25251E6E308F
2023-08-05-anonymous-NF-PM1B1=39000000000, B2=163105468633407300
2021-08-02ViliamFNF-PM1B1=500000000, B2=90500000000
2020-04-17Oliver KruseC-PRPM6367/63671/3101635266047 : 918B25251E6E308F
2017-10-12kkmrkkblmbrbkC-PRPM6367/63671/3101635266047 : 029820EC5D9BE005
2017-09-21Oliver KruseC-PRPM6367/63671/3101635266047 : 029820EC5D9BE005
2017-09-21Oliver KruseC-PRPM6367/63671/3101635266047 : 029820EC5D9BE005