2LM

2^2966+1 M

Open composite · C394 · component M

NFS Planning

GNFS Murphy estimate: 3.14e-26
SNFS Murphy score: 6.92e-20
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 0.70956

Identifiers

Target expression: 2^1483+1+2^742
Target value: 267598435290787038785000518495795120189849974672934179871183761785819731525904252652413031666450265973305896047938823832697254554301986387284630118698155981810683872110970285526174947445552543232243974184723958049403041521209553561587588817812178125061556837882900603009722116409241419735456394018945011371070488757790435788571724775320731205986946559199039080975817923592428589931956210775064334287857337488973577662885864088734544323370142400513
Target link: FactorDB page
Target ID: 1100000000002502344
Target changed: -
Parent query: 2^2966+1
Parent ID: -
Cofactor token: C394
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

88843448429056637.302190509907340513723945290934901873. C394

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 6.92e-20
Skew: 0.70956
Selected: Best

n: 9967295661448096350603819089223375323400943604621470260639184804502928988750112221337418157768273003493428252192932882311704868859979791049237006780110623789083739581671790830081397029959824548464970412738650269662217457047305904835718169246741179047811722019458305232861792297651809011467471525241509787576398817640833704969495184375126292231622525358544599645309085286048745823129239490626213
# 2^2966+1 Aurifeuillian M, difficulty: 446.43, skewness: 0.77
# cost: 2.13175e+24, est. time: 1015121107.05 GHz days (not accurate yet!)
# Optimized skew: 0.70956 Murphy: 6.92e-20
skew: 0.70956
c8: 8
c4: 4
c0: 1
Y1: -1
Y0: 49039857307708443467467104868809893875799651909875269632
type: snfs