2LM

2^2462+1 M

Open composite · C292 · component M

NFS Planning

GNFS Murphy estimate: 2.59e-20
SNFS Murphy score: 1.09e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 1.19421

Identifiers

Target expression: 2^1231+1+2^616
Target value: 36976403076012328632505586964512948848292460891921624029944525881332168849529865532631729656047256273305455969883869499140102612416297720117128401560355118117670263833180471897936965851763093134969936656819555671424361861341652792384696926677315709746495836217431681860516338736271678055000432459372845775968385347006077031359406806475070103571477019785362521224258781185
Target link: FactorDB page
Target ID: 1100000000005735813
Target changed: -
Parent query: 2^2462+1
Parent ID: -
Cofactor token: C292
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(2) 34469.17696857.31097483971949.60427648204829478480287427112365014220796356954748109.C292

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 1.09e-17
Skew: 1.19421
Selected: Best

n: 6451621604930633938001321808565581143506438607212753912023312827998148817635036488889177785894615106046013492173742634218458089163695965751670573635329785144440522761024072383841054140336457304982708190231406689331311999218872638260651419376828872227097172661495116251831100127189360613314729
# 2^2462+1 Aurifeuillian M, difficulty: 370.87, skewness: 1.09
# cost: 2.89086e+22, est. time: 13765999.90 GHz days (not accurate yet!)
# Optimized skew: 1.19421 Murphy: 1.09e-17
skew: 1.19421
c8: 1
c4: 2
c0: 2
Y1: -1
Y0: 22835963083295358096932575511191922182123945984
type: snfs