2LM

2^2426+1 M

Open composite · C366 · component M

Target FactorDB

NFS Planning

GNFS Murphy estimate
1.32e-24
SNFS Murphy score
1.02e-17
Preferred method
SNFS
SNFS possible
Yes
SNFS degree
6
SNFS skew
1.23856

Identifiers

Target expression
2^1213+1+2^607
Target value
141053783706712069063207958086063189881486743514715667838838675999954867742652380114104193329037690251561950568709829327164087724366370087116731268159313652487450652439805877296207298243430284391808876881309117615355811183310544469999363163735521222665710486343100182316132093020401558600820482654637906734941980803524694414333106579341324490890274318660588084920321
Target link
FactorDB page
Target ID
1100000000004657771
Target changed
-
Parent query
2^2426+1
Parent ID
-
Cofactor token
C366
Imported
Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

C366

SNFS Polynomial

Degree
6
Murphy
1.02e-17
Skew
1.23856
Selected
Best
n: 141053783706712069063207958086063189881486743514715667838838675999954867742652380114104193329037690251561950568709829327164087724366370087116731268159313652487450652439805877296207298243430284391808876881309117615355811183310544469999363163735521222665710486343100182316132093020401558600820482654637906734941980803524694414333106579341324490890274318660588084920321
# 2^2426+1 Aurifeuillian M, difficulty: 365.15, skewness: 0.89
# cost: 2.04479e+22, est. time: 9737102.06 GHz days (not accurate yet!)
# Optimized skew: 1.23856 Murphy: 1.02e-17
skew: 1.23856
c6: 2
c3: 2
c0: 1
Y1: -1
Y0: 6427752177035961102167848369364650410088811975131171341205504
type: snfs