7^433-1

Open composite · C342

NFS Planning

GNFS Murphy estimate: 3.26e-23
SNFS Murphy score: 2.95e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.66843

Identifiers

Target expression: 7^433-1
Target link: FactorDB page
Target ID: 1000000000018628611
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C342
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1) 1733.885919.341532829437623. C342

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 2.95e-17
Skew: 1.66843
Selected: Best

n: 268952162809985221897141157821615038103735770342502660185627855086424563646378070582530885681296035934409343279047433969544629647076181575559460215868038294388764610231229607693100682256162867762852499509575935768721668064925236917874261311773153509683938727340398606803365801259364253633851530717295982026386127653883009134923078993631730181
# 7^433-1, difficulty: 366.77, skewness: 1.32
# cost: 2.25667e+22, est. time: 10746050.81 GHz days (not accurate yet!)
# Optimized skew: 1.66843 Murphy: 2.95e-17
skew: 1.66843
c7: 1
c0: -7
Y1: -1
Y0: 24893071176241544900787221684958608586849291716964049
type: snfs