3^827-1

Open composite · C369

NFS Planning

GNFS Murphy estimate: 8.84e-25
SNFS Murphy score: 3.29e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 0.92081

Identifiers

Target expression: 3^827-1
Target link: FactorDB page
Target ID: 1000000000018246975
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C369
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(1) 41351.1501511402042903676731. C369

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 3.29e-18
Skew: 0.92081
Selected: Best

n: 305656057021991606189003330318726104731892812409291488493797927602552218520946531816244729866339536355226240475658861198589981753400409551193164763523318916187855802267174360977466176499958632287467603753444431833666607142603824724626657650505459052265969108259148515478625956457619732540843475851903821554249930675454238088457795459566326075101168288457315775302042753
# 3^827-1, difficulty: 394.58, skewness: 1.17
# cost: 1.1748e+23, est. time: 55943066.22 GHz days (not accurate yet!)
# Optimized skew: 0.92081 Murphy: 3.29e-18
skew: 0.92081
c7: 1
c0: -3
Y1: -199667811101603467823686647723289448859052847504205678489
Y0: 1
type: snfs