2LM

2^2602+1 M

Open composite · C392 · component M

Target FactorDB

NFS Planning

GNFS Murphy estimate
4.10e-26
SNFS Murphy score
2.41e-18
Preferred method
SNFS
SNFS possible
Yes
SNFS degree
8
SNFS skew
1.36492

Identifiers

Target expression
2^1301+1+2^651
Target value
43654031635809667726915363206024493430956148904759729031769174207747254899120213791393927939415654257781308345094896648103431257449608102158070842835818809185215728097749244453157846016218978532092279467825747821732228756283145371738997619389599983632480344135713858650225366123814462033251942104046067744269086978831811567173742251784556051175146418932678052755505178552936354369134133248001
Target link
FactorDB page
Target ID
1100000000000204247
Target changed
-
Parent query
2^2602+1
Parent ID
-
Cofactor token
C392
Imported
Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

C392

SNFS Polynomial

Degree
8
Murphy
2.41e-18
Skew
1.36492
Selected
Best
n: 43654031635809667726915363206024493430956148904759729031769174207747254899120213791393927939415654257781308345094896648103431257449608102158070842835818809185215728097749244453157846016218978532092279467825747821732228756283145371738997619389599983632480344135713858650225366123814462033251942104046067744269086978831811567173742251784556051175146418932678052755505178552936354369134133248001
# 2^2602+1 Aurifeuillian M, difficulty: 392.54, skewness: 1.30
# cost: 1.04364e+23, est. time: 49697230.76 GHz days (not accurate yet!)
# Optimized skew: 1.36492 Murphy: 2.41e-18
skew: 1.36492
c8: 1
c4: 4
c0: 8
Y1: -1
Y0: 11692013098647223345629478661730264157247460343808
type: snfs