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
109741
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
1908935713796571547.4old
1892845525665938643663966337213097.32024-09-16 19:40:24
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000731 / 1566
Estimated T-Level: 32.3
TF below 2^102 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
No proof (small exponent)
2017-09-21Oliver Kruse613CB1C5C9F1DB291013
Factored
No proof (small exponent)
2017-10-13kkmrkkblmbrbk613CB1C5C9F1DB29110864413
Factored
No proof (small exponent)
2020-04-17Oliver Kruse9089B0152C34FDCD16014053
Factored
Not Uploaded
2022-04-15LordJulius9089B0152C34FDCD16616953
Factored
Certified Good
2022-11-11LordJulius9089B0152C34FDCD16452053
Verified
Certified Good
2024-09-16cramsey879089B0152C34FDCD21125553
History
DateUserTypeResult
2026-02-11Jason LynchNF-PM1B1=894224000, B2=137332171046070
2025-12-17ViliamFNF-PM1B1=100000000, B2=2386922057520
2024-09-17LOBESCERT
Proof certified good
2024-09-16cramsey87C-PRPM109741/190893571379657/189284552566593864366396633721 : 9089B0152C34FDCD
Proof Certified Good

Proof Power: 5

2024-09-16cramsey87F-ECMFactor: 189284552566593864366396633721 / ECM curve 4, B1=1125960, B2=4962105720, Edwards Sigma=4781295060020349
2022-11-11curtiscCERT
Proof certified good
2022-11-11LordJuliusC-PRPM109741/190893571379657 : 9089B0152C34FDCD
Proof Certified Good

Proof Power: 5

2022-05-07LordJuliusNFno factor TF: 61-62
2022-05-07LordJuliusNFno factor TF: 62-63
2022-05-07LordJuliusNFno factor TF: 58-59
2022-05-07LordJuliusNFno factor TF: 59-60
2022-05-07LordJuliusNFno factor TF: 60-61
2022-05-07LordJuliusNFno factor TF: 57-58
2022-04-15LordJuliusC-PRPM109741/190893571379657 : 9089B0152C34FDCD
Proof Not Uploaded

Proof Power: 5

2020-04-17Oliver KruseC-PRPM109741/190893571379657 : 9089B0152C34FDCD
2017-10-13kkmrkkblmbrbkC-PRPM109741/190893571379657 : 613CB1C5C9F1DB29
2017-09-21Oliver KruseC-PRPM109741/190893571379657 : 613CB1C5C9F1DB29
2017-09-21Oliver KruseC-PRPM109741/190893571379657 : 613CB1C5C9F1DB29
2016-12-10kkmrkkblmbrbkNF-PM1B1=100000000, B2=2000000000, E=12