3^874+1

Open composite · C339

NFS Planning

GNFS Murphy estimate: 4.86e-23
SNFS Murphy score: 5.54e-19
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.49310

Identifiers

Target expression: 3^874+1
Target link: FactorDB page
Target ID: 1000000000016447257
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C339
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(2,38,46) 5161252969494381459036833515221381567293. C339

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 5.54e-19
Skew: 1.49310
Selected: Best

n: 163318763348935572214796444183783010957281997683315714278845637151528575912496352525623235324959644190997176205963114644782512656682118611029530082035873172170511710220616607144561743007584037255634994359267733093228774290705937404681293451544495215672691268432180915389170610047492139664615469297983757901733010094901488035395883145523397
# 3^874+1, difficulty: 417.48, skewness: 1.17
# cost: 4.34069e+23, est. time: 206699343.04 GHz days (not accurate yet!)
# Optimized skew: 1.49310 Murphy: 5.54e-19
skew: 1.49310
c7: 1
c0: 3
Y1: -1
Y0: 436673502879206784130402698570834024654748577491697818855443
type: snfs