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
6359
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2026-02-21VGDominionECMC1S122.58 %2026-02-222026-03-05
Factored
FactorDigitsBitsDate
15597896518845611412712270.4old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000002905 / 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 Kruse18FF9AD6A08E17861013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk18FF9AD6A08E17861372913
Verified
No proof (small exponent)
2020-04-17Oliver Kruse3561C580FF49AECF1449253
Verified
No proof (small exponent)
2024-02-03Wentao Huang3561C580FF49AECF1530353
History
DateUserTypeResult
2025-03-19masserNF-PP1Start=72/19, 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-PRPM6359/1559789651884561141271 : 3561C580FF49AECF
2023-08-04-anonymous-NF-PM1B1=39000000000, B2=163105468633407300
2021-08-02ViliamFNF-PM1B1=500000000, B2=90500000000
2020-04-17Oliver KruseC-PRPM6359/1559789651884561141271 : 3561C580FF49AECF
2017-10-12kkmrkkblmbrbkC-PRPM6359/1559789651884561141271 : 18FF9AD6A08E1786
2017-09-21Oliver KruseC-PRPM6359/1559789651884561141271 : 18FF9AD6A08E1786
2017-09-21Oliver KruseC-PRPM6359/1559789651884561141271 : 18FF9AD6A08E1786