12^392+1

Open composite · C342

NFS Planning

GNFS Murphy estimate: 3.26e-23
SNFS Murphy score: 1.25e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.42259

Identifiers

Target expression: 12^392+1
Target link: FactorDB page
Target ID: 1100000000009444545
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C342
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(8,56) 52529.1571137.8711290561. C342

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 1.25e-17
Skew: 1.42259
Selected: Best

n: 560019285122204288247761843617921268825550655865715218957957143321897797657304867696281031825324308678819921018518147363574776639588439971635405023045572137712531713122734323443306232348578638683818591025861923908395832921777937479896623301266465179763274250886576069308273188489696196101277761845247509790724894133595609286280615951574549457
# 12^392+1, difficulty: 362.60, skewness: 1.00
# cost: 1.75103e+22, est. time: 8338250.72 GHz days (not accurate yet!)
# Optimized skew: 1.42259 Murphy: 1.25e-17
skew: 1.42259
c6: 1
c5: -1
c4: 1
c3: -1
c2: 1
c1: -1
c0: 1
Y1: -1
Y0: 2717376270889601918875979639080849756517127883888251440726016
type: snfs