5+

5^599+1

Open composite · C317

NFS Planning

GNFS Murphy estimate
9.18e-22
SNFS Murphy raw
3.74e-19
SNFS Murphy normalized (deg 6)
2.34e-19
Preferred method
SNFS
SNFS possible
Yes
SNFS degree
7
SNFS skew
2.54311

Identifiers

Target expression
5^599+1
Target link
FactorDB page
Target ID
1000000000016637607
Target changed
Before 6/8/2026
Parent query
Same as target
Parent ID
-
Cofactor token
C317
Imported
Jun 07, 2026, 01:42 AM UTC

Raw pmain126 Factorization

(1) 139310629.85442245966895381.3754707108244953545369.1887205655720480604720111966025441803093805534619432723.C317

SNFS Polynomial

Degree
7
Raw Murphy
3.74e-19
Normalized (deg 6)
2.34e-19
Skew
2.54311
Selected
Best
n: 95242139702877290185434718125779505678130756183734489533638404008407940489380744652699534073901814957540352240741960011912320560107604751034007046040360194887787944314037604871650872479986659817995840590151016552457745352895543770649469806156082738958038140603122305674510602833101562530900469434481246512060282100367
# 5^599+1, difficulty: 420.78, skewness: 1.99
# cost: 5.22104e+23, est. time: 248620994.17 GHz days (not accurate yet!)
# Optimized skew: 2.54311 Murphy: 3.74e-19
skew: 2.54311
c7: 1
c0: 125
Y1: -1
Y0: 1292469707114105741986576081359316958696581423282623291015625
type: snfs