11^388+1

Open composite · C367

NFS Planning

GNFS Murphy estimate: 1.16e-24
SNFS Murphy score: 1.06e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 2.20006

Identifiers

Target expression: 11^388+1
Target link: FactorDB page
Target ID: 1000000000017212341
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C367
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(4) 67420366817.263587637041.335786251793. C367

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.06e-18
Skew: 2.20006
Selected: Best

n: 1315171473340577412924570613114512164187513853828491889159036142739767413682504963576896639016333973217930399000722454923281167898348260102450265798791654498266622038495495412881153546068479993288468166073351711320745625799133670018076947044698701182025753081479328600479026943966385346885212372113079161667021416312194557644725401936990800434760664399187659713228001
# 11^388+1, difficulty: 404.06, skewness: 2.79
# cost: 2.02903e+23, est. time: 96620283.43 GHz days (not accurate yet!)
# Optimized skew: 2.20006 Murphy: 1.06e-18
skew: 2.20006
c7: 1
c0: 1331
Y1: -1890591424712781041871514584574319778449301246603238034051
Y0: 1
type: snfs