5^559+1

Open composite · C299

NFS Planning

GNFS Murphy estimate: 1.02e-20
SNFS Murphy score: 1.62e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.41856

Identifiers

Target expression: 5^559+1
Target link: FactorDB page
Target ID: 1000000000016637367
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C299
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1,13,43) 6339061.11425961.197200771226161.60605730601662471545653087.C299

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 1.62e-17
Skew: 1.41856
Selected: Best

n: 26468142408291329053688720107317929021597427810627028186031090896171808991074774018492299186984931001530247501542188896214739971130903243800238852887526643256483586691416788432567112456868163811030335338465224766919252614338073938547229481998938036339753392715463657361133365073416032243123636775723
# 5^559+1, difficulty: 360.67, skewness: 1.00
# cost: 1.55541e+22, est. time: 7406731.42 GHz days (not accurate yet!)
# Optimized skew: 1.41856 Murphy: 1.62e-17
skew: 1.41856
c6: 1
c5: -1
c4: -5
c3: 4
c2: 6
c1: -3
c0: -1
Y1: -1136868377216160297393798828125
Y0: 1292469707114105741986576081359316958696581423282623291015626
type: snfs