12^385+1

Open composite · C233

NFS Planning

GNFS Murphy estimate: 6.83e-17
SNFS Murphy score: 7.42e-17
Preferred method: Similar
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 0.30607

Identifiers

Target expression: 12^385+1
Target link: FactorDB page
Target ID: 1100000000024338873
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C233
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(1,5,7,11,35,55,77) 11551.747613021.16587450354091. C233

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 7.42e-17
Skew: 0.30607
Selected: Best

n: 64962484461147264962781650450735125654174114897307662638029954096955870855813219371713185034484769838815784438625951179384724386994792450196041895043110707664784314469407854927735083628692601296726525647297639282967219648757703255301
# 12^385+1, difficulty: 332.39, skewness: 0.29
# cost: 2.63453e+21, est. time: 1254537.75 GHz days (not accurate yet!)
# Optimized skew: 0.30607 Murphy: 7.42e-17
skew: 0.30607
c8: 20736
c6: -1728
c4: 144
c2: -12
c0: 1
Y1: -1
Y0: 102067469997853225734913580209377959215104
type: snfs