7^446+1

Open composite · C366

NFS Planning

GNFS Murphy estimate: 1.32e-24
SNFS Murphy score: 1.07e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 2.20715

Identifiers

Target expression: 7^446+1
Target link: FactorDB page
Target ID: 1000000000016828689
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C366
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(2) 57089.148073. C366

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.07e-17
Skew: 2.20715
Selected: Best

n: 193966857999564188374109894370158676656500879319404418916566005099188166179238719194389098523129722189523386589286734236585876706953978203625978317033945369559214846071421285218394123202283773832410565845438507517214926138920197269541504843771119031894809915774269374833004159662115734162471818243385378242376043087835784852687101384421849294335731769719456097696809
# 7^446+1, difficulty: 378.60, skewness: 1.74
# cost: 4.59399e+22, est. time: 21876150.99 GHz days (not accurate yet!)
# Optimized skew: 2.20715 Murphy: 1.07e-17
skew: 2.20715
c7: 1
c0: 49
Y1: -1
Y0: 1219760487635835700138573862562971820755615294131238401
type: snfs