2LM

2^2302+1 L

Open composite · C293 · component L

NFS Planning

GNFS Murphy estimate: 2.26e-20
SNFS Murphy score: 5.43e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.55144

Identifiers

Target expression: 2^1151+1-2^576
Target value: 30586163746423534736016196859602863404567906871720399525097698785459848898045979160893431969078985896157922253436754523272229504177518075325166808445105312843032236485740310779224490125403443139303505386423723925912709787825576935231467973180924904890582750668536320692767411704086399982917183502919929311980063149038262169739171142597936374874113
Target link: FactorDB page
Target ID: 1100000000002854722
Target changed: -
Parent query: 2^2302+1
Parent ID: -
Cofactor token: C293
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

78960215773801.1739229066659377.14315531938788851695592513. C293

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 5.43e-17
Skew: 1.55144
Selected: Best

n: 15557951297719666599096325703868675793409454945583427734607844808151158436451910212482112424750275591403569524608323650537077294998321863618420348149740789594468178927305694544311598795941618705246415838908871477207752982402625992593864582719745446625504493385122233684538174998397626530177513
# 2^2302+1 Aurifeuillian L, difficulty: 346.79, skewness: 1.12
# cost: 6.57732e+21, est. time: 3132055.37 GHz days (not accurate yet!)
# Optimized skew: 1.55144 Murphy: 5.43e-17
skew: 1.55144
c6: 1
c3: -2
c0: 2
Y1: -1
Y0: 6277101735386680763835789423207666416102355444464034512896
type: snfs