5^512+1

Open composite · C329

NFS Planning

GNFS Murphy estimate: 1.85e-22
SNFS Murphy score: 5.54e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 0.99803

Identifiers

Target expression: 5^512+1
Target link: FactorDB page
Target ID: 1000000000016637085
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C329
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

2*.19457.23606273.236554494714698753. C329

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 5.54e-17
Skew: 0.99803
Selected: Best

n: 34322405328327917485611087053202454817873168517053403552060883123157236057539942588195425608294319166070844579731055258252193487632717025984332850487058646599715211621764053286497905208783458027208909430971359148387689093215791891300352389195439802849690177119332019332260176391435371320386982582375567535659028605654815335260161
# 5^512+1, difficulty: 357.87, skewness: 1.26
# cost: 1.30999e+22, est. time: 6238033.74 GHz days (not accurate yet!)
# Optimized skew: 0.99803 Murphy: 5.54e-17
skew: 0.99803
c7: 1
c0: 5
Y1: -1058791184067875423835403125849552452564239501953125
Y0: 1
type: snfs