12+

12^341+1

Open composite · C268

Target FactorDB

NFS Planning

GNFS Murphy estimate
6.38e-19
SNFS Murphy raw
1.35e-17
SNFS Murphy normalized (deg 6)
2.16e-17
Preferred method
SNFS
SNFS possible
Yes
SNFS degree
5
SNFS skew
1.53811

Identifiers

Target expression
12^341+1
Target link
FactorDB page
Target ID
1100000000024338709
Target changed
Before 6/8/2026
Parent query
Same as target
Parent ID
-
Cofactor token
C268
Imported
Jun 07, 2026, 01:43 AM UTC

Raw pmain126 Factorization

(1,11,31) 47059.100863709.69669650940847.383957516219153571249640717633.C268

SNFS Polynomial

Degree
5
Raw Murphy
1.35e-17
Normalized (deg 6)
2.16e-17
Skew
1.53811
Selected
Best
n: 4846536456491237926402100690066332175029475097546474354283701883797914220623358950140894203694509723295735865798075209103900638055885476746094586231086727319659036862454180586279489530128876774186684260664121677289792064082847608948470874563826639385095879470154049669
# 12^341+1, difficulty: 334.55, skewness: 1.00
# cost: 3.02632e+21, est. time: 1441107.09 GHz days (not accurate yet!)
# Optimized skew: 1.53811 Murphy: 1.35e-17
skew: 1.53811
c5: 1
c4: -1
c3: -4
c2: 3
c1: 3
c0: -1
Y1: -2848515765597237675947403497177088
Y0: 8114042066856017096132973186621192079364039587244176589984832159745
type: snfs