7^931+1 L

Open composite · C320 · component L

NFS Planning

GNFS Murphy estimate: 6.15e-22
SNFS Murphy raw: 9.57e-17
SNFS Murphy normalized (deg 6): 9.57e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 0.49922

Identifiers

Target expression: 7^931+1 L
Target value: 15635722919087329791775063664095173932853641047995802661672957190800401526870699715250188074376070970106357801715259259946846096283692512114745588859240810551957097651472164162164656422555362394100683169280035952814968160730551665408036118331447505621641693956706190822300844349994566887367334573301227553180765915546763697955204194159361
Target link: FactorDB page
Target ID: 1100000000004517682
Target changed: Before 6/8/2026
Parent query: 7^931+1
Parent ID: 1000000000016831599
Cofactor token: C320
Imported: Jun 07, 2026, 01:42 AM UTC

Raw pmain126 Factorization

(49L) C320

SNFS Polynomial

Polynomial

Degree: 6
Raw Murphy: 9.57e-17
Normalized (deg 6): 9.57e-17
Skew: 0.49922
Selected: Best

n: 28075374253052019655424914379630477823551233196348914851690973496706974494590860838301759646154856046370452050450236083096615239569493486658277369784597801557853630139159159143419213130972728421635415055126991691510873184855230163223430964012052929236745078467504626189849890878714685312558545770323001474420947185018471
# 7^931+1 Aurifeuillian L, difficulty: 337.19, skewness: 0.38
# cost: 3.58482e+21, est. time: 1707058.10 GHz days (not accurate yet!)
# Optimized skew: 0.49922 Murphy: 9.57e-17
skew: 0.49922
c6: 343
c5: -343
c4: 147
c3: -49
c2: 21
c1: -7
c0: 1
Y1: -1
Y0: 59768263894155949306790119265585619217025149412430681649
type: snfs