2LM

2^2922+1 L

Open composite · C233 · component L

NFS Planning

GNFS Murphy estimate: 6.83e-17
SNFS Murphy score: 1.06e-15
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 1.29780

Identifiers

Target expression: 2^1461+1-2^731
Target value: 63800438711830863662958268760632305190527433078988594978137913176016743546939910090544946591007772916151498805985170324491799963546272847005040673899210925533934562709562846547645317899120460327206605478459348213530311935855705038779975218482644789755167642441315135999907951585833831362092130738125043264154226372978420923539859308600556557556041326596491012944577383918508415098099720581137967657812682822553596921040366228539845382242305
Target link: FactorDB page
Target ID: 1100000000001319940
Target changed: -
Parent query: 2^2922+1
Parent ID: -
Cofactor token: C233
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(2,974M) 11689.303889.26464312221055849505401.75369005016617119751033790061.C233

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 1.06e-15
Skew: 1.29780
Selected: Best

n: 22535647687507894803496986847961837057422929713151397083627907722283699865326628909098349951251030514188204462863519259056303907461052698707939474315249736310108294606154823227178926187624342096775637635427569432029181877983574159029
# 2^2922+1 Aurifeuillian L, difficulty: 293.81, skewness: 1.19
# cost: 2.00504e+20, est. time: 95478.26 GHz days (not accurate yet!)
# Optimized skew: 1.29780 Murphy: 1.06e-15
skew: 1.29780
c8: 1
c6: -2
c4: 2
c2: -4
c0: 4
Y1: -1
Y0: 5316911983139663491615228241121378304
type: snfs