2LM

2^2438+1 M

Open composite · C233 · component M

Target FactorDB

NFS Planning

GNFS Murphy estimate
6.83e-17
SNFS Murphy score
8.60e-18
Preferred method
GNFS
SNFS possible
Yes
SNFS degree
6
SNFS skew
1.23926

Identifiers

Target expression
2^1219+1+2^610
Target value
9027442157229572420045309317508044152415151584941802741685675263997111535529752327302668373058412176099964836397429076938501614359447685575470801162196073759196841756147576146957267057835810603336810593786843960444528785274660253366171543310201619028006118918232818275132327100465702292650059660092769171627843862873975035584200010148953058562426389612257371658125313
Target link
FactorDB page
Target ID
1100000000000591955
Target changed
-
Parent query
2^2438+1
Parent ID
-
Cofactor token
C233
Imported
Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(46L,106M) 4877.5268771556877.9785015751949.3551244602584644207653.125650590047383315275301.22577795894844236085457608613190571889.C233

SNFS Polynomial

Degree
6
Murphy
8.60e-18
Skew
1.23926
Selected
Best
n: 47189652586263921551221121061497591754072364403610789928380315719538292139618966640029629042722584507409156008283840055493566915059153090589561691497027101179002196937128726111729102820592777552141393497925459779552892944023802494933
# 2^2438+1 Aurifeuillian M, difficulty: 366.96, skewness: 0.89
# cost: 2.28186e+22, est. time: 10865999.63 GHz days (not accurate yet!)
# Optimized skew: 1.23926 Murphy: 8.60e-18
skew: 1.23926
c6: 2
c3: 2
c0: 1
Y1: -1
Y0: 12855504354071922204335696738729300820177623950262342682411008
type: snfs