2LM

2^2762+1 M

Open composite · C300 · component M

NFS Planning

GNFS Murphy estimate: 8.88e-21
SNFS Murphy score: 5.02e-19
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 1.30635

Identifiers

Target expression: 2^1381+1+2^691
Target value: 52774485974804153721794018148183601627029792016387164922601992280282239984629094881959835290734026537379069389659880244956751909967381681833604107249169687145082614595852756774872167513958074944762837130036367343355933429258035036443522060014385549630531281324178352505837939736595261260302492785147354614520035389940025596627665639140832143570018504127298292671938579764039389943350151070346204888293675205709004801
Target link: FactorDB page
Target ID: 1100000000003079336
Target changed: -
Parent query: 2^2762+1
Parent ID: -
Cofactor token: C300
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

17036017.3600267001.6627626006377.25755415055743010446654881481.35821403986067110424683929268116692225283823357150622521601.C300

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 5.02e-19
Skew: 1.30635
Selected: Best

n: 140718788425897272038233831155560771874820870346936464003686776157791862526948636329903412504453815976189200450227602728548946017370744331563727337255184801026708472444110668268261929544901487141627479402123880861136089287797807813378162345614121017865387658576203354691560658622943124745228417032169
# 2^2762+1 Aurifeuillian M, difficulty: 416.63, skewness: 1.30
# cost: 4.1371e+23, est. time: 197004690.61 GHz days (not accurate yet!)
# Optimized skew: 1.30635 Murphy: 5.02e-19
skew: 1.30635
c8: 1
c4: 4
c0: 8
Y1: -1
Y0: 11972621413014756705924586149611790497021399392059392
type: snfs