2+(odd)

2^1469+1

Open composite · C355

NFS Planning

GNFS Murphy estimate: 5.74e-24
SNFS Murphy score: 1.91e-19
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.43287

Identifiers

Target expression: 2^1469+1
Target link: FactorDB page
Target ID: 1000000000012151493
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C355
Imported: Jun 03, 2026, 04:29 PM UTC

Raw pmain126 Factorization

(1,13,113) 2939.4816921513.561423233684977.20194053813501320920441.C355

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 1.91e-19
Skew: 1.43287
Selected: Best

n: 3588139949275911198090537838973140219273699631768650143322359519365140308471201153215666466300642366133042301642955659362248973374141867205391814029767362623994997502479772825852871215433609629021071320892582910763229589068543605187559561960466229192162634133045623444650044796686304283329646447699755430445318166604345257902550746978978037322132346380489
# 2^1469+1, difficulty: 408.20, skewness: 1.00
# cost: 2.56905e+23, est. time: 122335935.05 GHz days (not accurate yet!)
# Optimized skew: 1.43287 Murphy: 1.91e-19
skew: 1.43287
c6: 1
c5: -1
c4: -5
c3: 4
c2: 6
c1: -3
c0: -1
Y1: -10384593717069655257060992658440192
Y0: 107839786668602559178668060348078522694548577690162289924414440996865
type: snfs