3^851+1

Open composite · C379

NFS Planning

GNFS Murphy estimate: 2.33e-25
SNFS Murphy score: 1.12e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 2.03865

Identifiers

Target expression: 3^851+1
Target link: FactorDB page
Target ID: 1000000000016447119
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C379
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(1,23,37) C379

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.12e-18
Skew: 2.03865
Selected: Best

n: 1011515342759868210997961462162452835329511137970692058849861965044078839371901368322992621941208348492781008241229278701684329747774434319354812970918141453907113234881420623086264586053956127608772652948589908588966103822883708861785236754098131996227173424272110997006742393785662027039503724941935217926200060943311574516455639877135811820112225485897903319038483759203074801
# 3^851+1, difficulty: 407.46, skewness: 1.60
# cost: 2.4638e+23, est. time: 117323689.12 GHz days (not accurate yet!)
# Optimized skew: 2.03865 Murphy: 1.12e-18
skew: 2.03865
c7: 1
c0: 27
Y1: -1
Y0: 16173092699229880893718618465586445357583280647840659957609
type: snfs