3^818+1

Open composite · C358

NFS Planning

GNFS Murphy estimate: 3.84e-24
SNFS Murphy score: 4.41e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.48532

Identifiers

Target expression: 3^818+1
Target link: FactorDB page
Target ID: 1000000000016446921
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C358
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(2) 1637.9817.2290324064471651713234421. C358

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 4.41e-18
Skew: 1.48532
Selected: Best

n: 5239163526802473149657082324155362614022820201881487999468617880980138650698416588202540749170399362915022024381915335027167378824984697929227754366027235164927782747383280956721797083414605787592105919412201783963757037438832295020737513404833308204777161873783449797501107529635672166272809945111584947493606964875894693856927358609340701944934260498521761
# 3^818+1, difficulty: 390.76, skewness: 1.17
# cost: 9.40705e+22, est. time: 44795480.28 GHz days (not accurate yet!)
# Optimized skew: 1.48532 Murphy: 4.41e-18
skew: 1.48532
c7: 1
c0: 3
Y1: -1
Y0: 66555937033867822607895549241096482953017615834735226163
type: snfs