12^386+1

Open composite · C368

NFS Planning

GNFS Murphy estimate: 1.01e-24
SNFS Murphy score: 6.30e-19
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.11760

Identifiers

Target expression: 12^386+1
Target link: FactorDB page
Target ID: 1100000000009444432
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C368
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(2) 773.201181657.12214491361.22568677977598546520041369. C368

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 6.30e-19
Skew: 1.11760
Selected: Best

n: 58944541093584220983976897499628527487063966513054408539873399711090609026547098431700020712431400445310804588171449125757462438388856218755726901261090308040168767566955160427116609131183268446604923540069969161693929271446475152861310097259312271079738840614550198938283871537404963983494607867070836431362467432121518779102515762130015548232672631441355165970755117
# 12^386+1, difficulty: 416.56, skewness: 1.43
# cost: 4.12282e+23, est. time: 196324574.51 GHz days (not accurate yet!)
# Optimized skew: 1.11760 Murphy: 6.30e-19
skew: 1.11760
c7: 1
c0: 12
Y1: -226448022574133493239664969923404146376427323657354286727168
Y0: 1
type: snfs