2LM

2^2318+1 M

Open composite · C296 · component M

NFS Planning

GNFS Murphy estimate: 1.52e-20
SNFS Murphy score: 4.49e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.23222

Identifiers

Target expression: 2^1159+1+2^580
Target value: 7830057919084424892420146396058333031569384159160422278425010889077721317899770665188718584084220389416428096879809157957690753069444627283242702961946960087816252540349519626755338672787714708118383096268509014589380661212968152044407058402362004628657054497206386755456694566812746272016699280318791235303225277326349303168169485822113736413937665
Target link: FactorDB page
Target ID: 1100000000002266109
Target changed: -
Parent query: 2^2318+1
Parent ID: -
Cofactor token: C296
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(2,38L,122L) 4637.152989.580881529.1684427935189. C296

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 4.49e-17
Skew: 1.23222
Selected: Best

n: 46746193562716341417686914865155021773775219789539058962869753623632050192800285152946576472197570902230126173599776728319203054602555070307001861428329602633869277525655415933963073497387292307505230130919537780950257898924751611650995192471087773640086813046904746917546831813881278936213610097
# 2^2318+1 Aurifeuillian M, difficulty: 348.89, skewness: 0.89
# cost: 7.50519e+21, est. time: 3573897.68 GHz days (not accurate yet!)
# Optimized skew: 1.23222 Murphy: 4.49e-17
skew: 1.23222
c6: 2
c3: 2
c0: 1
Y1: -1
Y0: 12554203470773361527671578846415332832204710888928069025792
type: snfs