11^353+1

Open composite · C343

NFS Planning

GNFS Murphy estimate: 2.85e-23
SNFS Murphy score: 1.72e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 2.21634

Identifiers

Target expression: 11^353+1
Target link: FactorDB page
Target ID: 1000000000017212131
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C343
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(1) 3759451.643069817879379727. C343

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.72e-17
Skew: 2.21634
Selected: Best

n: 1409464232586123679572990938127446063243751611157642978518901817859490576636317146022991199766663522391399701544236360990797900283211956859988267410369323884810737014168004188810261266750143037801230969882626219001809122510717499024273679792411661102815451425447766375501299091645488613169723660689319849934664794323962509645435786867763630493
# 11^353+1, difficulty: 367.61, skewness: 2.79
# cost: 2.37442e+22, est. time: 11306777.97 GHz days (not accurate yet!)
# Optimized skew: 2.21634 Murphy: 1.72e-17
skew: 2.21634
c7: 1
c0: 1331
Y1: -11739085287969531650666649599035831993898213898723001
Y0: 1
type: snfs