2LM

2^2434+1 M

Open composite · C324 · component M

NFS Planning

GNFS Murphy estimate: 3.60e-22
SNFS Murphy score: 1.45e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 1.00799

Identifiers

Target expression: 2^1217+1+2^609
Target value: 2256860539307393105011327329377011038103787896235450685421418815999277883882438081825667093264603044024991209099357269234625403589861921393867700290549018439799210439036894036739316765521228636467736845825887403216069450977851298795606732226438681157808649451262690047108086305574996910941173887516194323600119641023908237715089960070412968528269139073850780977987585
Target link: FactorDB page
Target ID: 1100000000000191764
Target changed: -
Parent query: 2^2434+1
Parent ID: -
Cofactor token: C324
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(2) 151265135953.101979207156581.259439470943015929. C324

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 1.45e-17
Skew: 1.00799
Selected: Best

n: 112784182363418181278615603588575090806058353125406426491347609789351530302725028990734300766534171353369586665372339871649249490960452308174034288860767139140040689714169889867675689508436360662535065123015873191358982673449399959528513477319519499289904270406304908827835466665581503462828702757245689624384240500091397761
# 2^2434+1 Aurifeuillian M, difficulty: 366.35, skewness: 0.92
# cost: 2.20001e+22, est. time: 10476239.21 GHz days (not accurate yet!)
# Optimized skew: 1.00799 Murphy: 1.45e-17
skew: 1.00799
c8: 2
c4: 2
c0: 1
Y1: -1
Y0: 5708990770823839524233143877797980545530986496
type: snfs