6-

6^541-1

Open composite · C311

NFS Planning

GNFS Murphy estimate
2.04e-21
SNFS Murphy score
4.24e-19
Preferred method
SNFS
SNFS possible
Yes
SNFS degree
7
SNFS skew
1.30681

Identifiers

Target expression
6^541-1
Target link
FactorDB page
Target ID
1100000000024700069
Target changed
-
Parent query
Same as target
Parent ID
-
Cofactor token
C311
Imported
Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1) 1559846737416416190521379247021293207712950121681.42519317438188494915251140247065269293737975662970030169846227.C311

SNFS Polynomial

Degree
7
Murphy
4.24e-19
Skew
1.30681
Selected
Best
n: 28786458615749767304724671815059516513346612607951298266999523396888737765015306839760437075262306856070742688824657083367805142336499820507221551398035437854568986964889412856158905745403226558047716320717134821213541833104738743981340612533561638218922002215721534649616864151487494007404400213272533163398993
# 6^541-1, difficulty: 420.98, skewness: 1.67
# cost: 5.27964e+23, est. time: 251411427.46 GHz days (not accurate yet!)
# Optimized skew: 1.30681 Murphy: 4.24e-19
skew: 1.30681
c7: 1
c0: -36
Y1: -827268102990819696904779987451100917723545245377785847873536
Y0: 1
type: snfs