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
2347361
Composite, with 5 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
19483096311030.9old
52017519771032.32008-07-14 20:23:12
11880040968231340.12008-07-14 20:23:12
210196365581031444.32014-01-10 14:40:41
3327930072323687509773641329913098.12026-01-16 08:24:50
ECM
DigitsB1Curves
2550000280 / 280
30250000120 / 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 KruseD618089E07B60C751013
Factored
PRP without proof (not generated)
2017-10-12Oliver Kruse96ADA3A4E8B39D0F499379953
Factored
PRP without proof (not generated)
2017-11-24storm551096ADA3A4E8B39D0F4228216953
Verified
Certified Good
2026-01-21Oliver Kruse96ADA3A4E8B39D0F5136786453
History
DateUserTypeResult
2026-01-21J. Gareth "Kit" MoretonCERT
Proof certified good
2026-01-21Oliver KruseC-PRPM2347361/1948309631/5201751977/1188004096823/21019636558103/332793007232368750977364132991 : 96ADA3A4E8B39D0F
Proof Certified Good

Proof Power: 7

2026-01-16TJAOIF-ECMFactor: 332793007232368750977364132991 / ECM curve 31, B1=250000, B2=260702211, Edwards Sigma=8275519788765483
2018-03-18alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-24storm5510C-PRPM2347361/1948309631/1188004096823/5201751977/21019636558103 : 96ADA3A4E8B39D0F
2017-10-12Oliver KruseC-PRPM2347361/1948309631/1188004096823/5201751977/21019636558103 : 96ADA3A4E8B39D0F
Proof Certified Good

Proof Power: 7

2017-10-12Oliver KruseC-PRPM2347361/known_factors : D618089E07B60C75
2014-01-10TJAOIFFactor: 21019636558103
2008-07-14George WoltmanF-ECMFactor: 5201751977
2008-07-14George WoltmanF-ECMFactor: 1188004096823