3+

3^718+1

Open composite · C222

Target FactorDB

NFS Planning

GNFS Murphy estimate
2.97e-16
SNFS Murphy score
1.38e-16
Preferred method
Similar
SNFS possible
Yes
SNFS degree
7
SNFS skew
2.01186

Identifiers

Target expression
3^718+1
Target link
FactorDB page
Target ID
1000000000016446321
Target changed
-
Parent query
Same as target
Parent ID
-
Cofactor token
C222
Imported
Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(2) 33029.3479429.8745241.381678749.6706107662257140830504819593.8968991974612168525016059649693.103568122226875893633710374657994569.C222

SNFS Polynomial

Degree
7
Murphy
1.38e-16
Skew
2.01186
Selected
Best
n: 156584028975949689606157146104308686134619351880518337667281466065531391308384474125480716632361129679863348750058074091078583441051495770294808184333235683097148970565009635733650649443897023612940224491963854696528417041
# 3^718+1, difficulty: 344.00, skewness: 1.60
# cost: 5.52151e+21, est. time: 2629288.82 GHz days (not accurate yet!)
# Optimized skew: 2.01186 Murphy: 1.38e-16
skew: 2.01186
c7: 1
c0: 27
Y1: -1
Y0: 13915193059764305937984450503671774362956903094027
type: snfs