2LM

2^2946+1 L

Open composite · C246 · component L

NFS Planning

GNFS Murphy estimate: 1.20e-17
SNFS Murphy score: 9.20e-16
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 1.29682

Identifiers

Target expression: 2^1473+1-2^737
Target value: 261326596963659217563477068843549922060400365891537285030452892368964581568265871730872101236767837864556539109315257649118412650685533581332646600291167950986995968858369419459155222114797405500238256039769490282620157734810664964888910285700140465913404843570262687397865287789481714212655463568769583691910309034789003249460038484352176471722077126625916392342037175647677272757695818933586708121810814003502028117340033746742512424237137921
Target link: FactorDB page
Target ID: 1100000000001532325
Target changed: -
Parent query: 2^2946+1
Parent ID: -
Cofactor token: C246
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(6,982M) 35353.117841.3273778341037.518906900840691283727816953. C246

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 9.20e-16
Skew: 1.29682
Selected: Best

n: 444274083610178799646680573562968471640548545814719131821756157607245415856331437791480399988324213975265996448724087476510185403686708193008523782372324335360949075494598378483287698621285182080647399144226042343586094410934395632358127259393753
# 2^2946+1 Aurifeuillian L, difficulty: 296.21, skewness: 1.19
# cost: 2.36832e+20, est. time: 112777.01 GHz days (not accurate yet!)
# Optimized skew: 1.29682 Murphy: 9.20e-16
skew: 1.29682
c8: 1
c6: -2
c4: 2
c2: -4
c0: 4
Y1: -1
Y0: 10633823966279326983230456482242756608
type: snfs