7^481+1

Open composite · C264

NFS Planning

GNFS Murphy estimate: 1.09e-18
SNFS Murphy score: 4.24e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.42309

Identifiers

Target expression: 7^481+1
Target link: FactorDB page
Target ID: 1000000000016828899
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C264
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1,13,37) 101519761877.1864665609645893653.730180601971123107767.8025242719945633367695511.337924926582517213784101427.C264

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 4.24e-18
Skew: 1.42309
Selected: Best

n: 368540300725808367560635959350296217293389518089220694417933837361102979179703876772421493919885904194554962603814945684888939447528400155880688331188635231262924125074445198860224626838526523089216585997605398814324085381542660762182498037785092894969645682533379
# 7^481+1, difficulty: 375.22, skewness: 1.00
# cost: 3.75477e+22, est. time: 17879868.41 GHz days (not accurate yet!)
# Optimized skew: 1.42309 Murphy: 4.24e-18
skew: 1.42309
c6: 1
c5: -1
c4: -5
c3: 4
c2: 6
c1: -3
c0: -1
Y1: -18562115921017574302453163671207
Y0: 344552147465294110719732986332367243247925798357929806000836850
type: snfs