11^398+1

Open composite · C362

NFS Planning

GNFS Murphy estimate: 2.25e-24
SNFS Murphy score: 6.10e-19
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.79631

Identifiers

Target expression: 11^398+1
Target link: FactorDB page
Target ID: 1000000000017212401
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C362
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(2) 5573.94564801.9060181849.371413120095998643947358861797. C362

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 6.10e-19
Skew: 1.79631
Selected: Best

n: 13775778483108081198380984319237789187295412158196172691289536530102177369997766634948440375411802644419508155785035111598812675510582013993327266954247830706532237323959982059930608137689099893187939857798021956022149064646267759725148241316324164242005144125057270431324590458858069767575970942359190126568244240960011129647252601060040241256062881663003869849
# 11^398+1, difficulty: 415.52, skewness: 1.41
# cost: 3.88683e+23, est. time: 185087015.88 GHz days (not accurate yet!)
# Optimized skew: 1.79631 Murphy: 6.10e-19
skew: 1.79631
c7: 1
c0: 11
Y1: -1
Y0: 228761562390246506066453264733492693192365450838991802120171
type: snfs