12^326+1

Open composite · C347

NFS Planning

GNFS Murphy estimate: 1.67e-23
SNFS Murphy score: 7.45e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.82625

Identifiers

Target expression: 12^326+1
Target link: FactorDB page
Target ID: 1100000000009442935
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C347
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(2) 653. C347

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 7.45e-17
Skew: 1.82625
Selected: Best

n: 68676005702193868787065793477696908305965201085968327830774515228910333346638609124041863772594383209680532127879432814959360018587197641289188495327549120258623745901991748791343910750167786909157156020485454176463776747394918708537677308646174698396205632821460998212048810642413557636263091313983949212220240219739371558654641963562537663491701
# 12^326+1, difficulty: 353.24, skewness: 1.45
# cost: 9.84097e+21, est. time: 4686174.52 GHz days (not accurate yet!)
# Optimized skew: 1.82625 Murphy: 7.45e-17
skew: 1.82625
c7: 2
c0: 27
Y1: -1
Y0: 263322863136636278163413925791162220049975480418304
type: snfs