7^412+1

Open composite · C316

NFS Planning

GNFS Murphy estimate: 1.05e-21
SNFS Murphy score: 1.11e-16
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.66200

Identifiers

Target expression: 7^412+1
Target link: FactorDB page
Target ID: 1000000000016828485
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C316
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(4) 120284024571401.631806686893873. C316

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.11e-16
Skew: 1.66200
Selected: Best

n: 8299029609055651787813903806824520856336507259599957315027016434909919745807789446389433506483162343107532573154015699502833290088479732026954761283057396900448317095545829172556113835201747682772881034142002012657186081073561965651938083645717373813096641679821024580686523280996103863134124531375581829295017824937
# 7^412+1, difficulty: 349.03, skewness: 1.32
# cost: 7.56723e+21, est. time: 3603445.13 GHz days (not accurate yet!)
# Optimized skew: 1.66200 Murphy: 1.11e-16
skew: 1.66200
c7: 1
c0: 7
Y1: -1
Y0: 72574551534231909331741171093173785967490646405143
type: snfs