11^356+1

Open composite · C344

NFS Planning

GNFS Murphy estimate: 2.49e-23
SNFS Murphy score: 1.77e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.78065

Identifiers

Target expression: 11^356+1
Target link: FactorDB page
Target ID: 1000000000017212149
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C344
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(4) 113209.60250153.22911517777. C344

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.77e-17
Skew: 1.78065
Selected: Best

n: 23784966576491536059506678208258985575552560560986468102351925480081447007329512789319148335969515010340994598454387394707634397907422312915254352206302143847331628678898274882847761309187848259713791666491054519560986525022100120685680620447211105912512338929820522695174339672241215080902042355888740672499442575522862962545137524384617619409
# 11^356+1, difficulty: 371.78, skewness: 1.41
# cost: 3.05336e+22, est. time: 14539792.76 GHz days (not accurate yet!)
# Optimized skew: 1.78065 Murphy: 1.77e-17
skew: 1.78065
c7: 1
c0: 11
Y1: -1
Y0: 129129938167664848157333145589394151932880352885953011
type: snfs