7^496+1

Open composite · C354

NFS Planning

GNFS Murphy estimate: 6.56e-24
SNFS Murphy score: 4.89e-19
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.68636

Identifiers

Target expression: 7^496+1
Target link: FactorDB page
Target ID: 1000000000016828989
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C354
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(16) 9441613002290151560641.1012224399578764814063990514689. C354

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 4.89e-19
Skew: 1.68636
Selected: Best

n: 464233214538976789623655092638889656879694154390597562767988269837177883186872654154328995300228203173077695316656218534277424883164632139217171023889002648524206969666610993445227539724463000292967685663466737857451679489483267615125037766937053836064681343372074776958182472149643153812364818657760978951206311239917113876839332040965083637870159302849
# 7^496+1, difficulty: 420.01, skewness: 1.32
# cost: 5.00223e+23, est. time: 238201262.44 GHz days (not accurate yet!)
# Optimized skew: 1.68636 Murphy: 4.89e-19
skew: 1.68636
c7: 1
c0: 7
Y1: -1
Y0: 1004525211269079039999221534496697502180541686174722466474743
type: snfs