12^377+1

Open composite · C315

NFS Planning

GNFS Murphy estimate: 1.20e-21
SNFS Murphy score: 4.11e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.42319

Identifiers

Target expression: 12^377+1
Target link: FactorDB page
Target ID: 1100000000024338837
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C315
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(1,13,29) 11311.110793041610126270368204279322656352885760249. C315

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 4.11e-18
Skew: 1.42319
Selected: Best

n: 348054530044656169645661542306922533838779095603601903115068807438392103254611998296429287608125325164145487354077237202959937545019487777142148474756474699560820343592527848308611539138524338008324641296604950532419943351971150057462222486691226853039175990958788905121735821638558244696675254502585637596021163099
# 12^377+1, difficulty: 375.56, skewness: 1.00
# cost: 3.82998e+22, est. time: 18238016.27 GHz days (not accurate yet!)
# Optimized skew: 1.42319 Murphy: 4.11e-18
skew: 1.42319
c6: 1
c5: -1
c4: -5
c3: 4
c2: 6
c1: -3
c0: -1
Y1: -19781359483314150527412524285952
Y0: 391302183008102676318141068027642364938466415279908207464546305
type: snfs