12^379+1

Open composite · C348

NFS Planning

GNFS Murphy estimate: 1.46e-23
SNFS Murphy score: 1.14e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.11922

Identifiers

Target expression: 12^379+1
Target link: FactorDB page
Target ID: 1100000000024338851
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C348
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(1) 43207.225948082837.566243661519144636021852200302118405455249861.C348

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.14e-18
Skew: 1.11922
Selected: Best

n: 142292749919816686657432521114709016542026701874184296382962616603005830009259289951925006098709288745841086524386312197655108471844070582213722383508884447484435540445953826283227315319509832395554949998343715943702361416743516496739016569368184854198520274564072744095388728909830050074948764909486211878204804134035264247299451811568708048251227
# 12^379+1, difficulty: 409.01, skewness: 1.43
# cost: 2.69057e+23, est. time: 128122265.86 GHz days (not accurate yet!)
# Optimized skew: 1.11922 Murphy: 1.14e-18
skew: 1.11922
c7: 1
c0: 12
Y1: -18870668547844457769972080826950345531368943638112857227264
Y0: 1
type: snfs