Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
2335549
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
1324349704971236.9old
67789627837083453244562812732892.52025-03-23 17:32:35
ECM
DigitsB1Curves
2550000280 / 280
30250000121 / 640
Estimated T-Level: 25.9
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2017-10-12Oliver Kruse80EF8792791CCE3E1013
Factored
PRP without proof (not generated)
2017-11-23storm551080EF8792791CCE3E1136462113
Verified
Certified Good
2025-03-23Daniil Tsarkov0582BD5867470CE0215539653
History
DateUserTypeResult
2025-03-23StuartCERT
Proof certified good
2025-03-23Daniil TsarkovC-PRPM2335549/132434970497/6778962783708345324456281273 : 0582BD5867470CE0
Proof Certified Good

Proof Power: 7

2025-03-23Daniil TsarkovF-ECMFactor: 6778962783708345324456281273 / ECM curve 37, B1=79351, B2=117709515, Edwards Sigma=4812900318261637
2021-04-21ViliamFNF-PM1B1=5000000, B2=305000000
2018-03-18alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-23storm5510C-PRPM2335549/132434970497 : 80EF8792791CCE3E
2017-10-12Oliver KruseC-PRPM2335549/132434970497 : 80EF8792791CCE3E