12^374+1

Open composite · C268

NFS Planning

GNFS Murphy estimate: 6.38e-19
SNFS Murphy score: 6.37e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 1.22924

Identifiers

Target expression: 12^374+1
Target link: FactorDB page
Target ID: 1100000000009444191
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C268
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(2,22,34) 66360317.25891378098688174733.1644940713081487140660221.337083913046705225357000353.C268

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 6.37e-18
Skew: 1.22924
Selected: Best

n: 2301719250728604765827565140042936053593666944312945054854796694483867136937908561364488401983382540565868156318949318353563938929724404072149541178302792576296952030546798801625342711321443010061401674812617703024035082107915858866948621092605302515953638609990249357
# 12^374+1, difficulty: 379.87, skewness: 1.00
# cost: 4.95367e+22, est. time: 23588911.30 GHz days (not accurate yet!)
# Optimized skew: 1.22924 Murphy: 6.37e-18
skew: 1.22924
c8: 1
c7: -1
c6: -7
c5: 6
c4: 15
c3: -10
c2: -10
c1: 4
c0: 1
Y1: -552061438912436417593344
Y0: 304771832334069766392840191887919236168953102337
type: snfs