7^931+1 M

Open composite · C274 · component M

NFS Planning

GNFS Murphy estimate: 2.86e-19
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 M
Target value: 15635722919087329791775063664095173932853641047995802662196168738212143134943359999649199596186419110105069447867993558824746536150140366511028692168462135794459536492188430944487516007573904703153890436645405991351445061259298831894691334139086917618624944130383376949986052192206222799450098878890957827501221318707652423583736772651263
Target link: FactorDB page
Target ID: 1100000000004517681
Target changed: Before 6/8/2026
Parent query: 7^931+1
Parent ID: 1000000000016831599
Cofactor token: C274
Imported: Jun 07, 2026, 01:42 AM UTC

Raw pmain126 Factorization

(49M) 420486098176817.33943248980224241226381391373467. C274

SNFS Polynomial

Polynomial

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

n: 1955636669950856181545656665148076842025922181690852444428251795764466350693216144376066302503639023474213386314914914670355501917963044068020037260632276067632221245474565236238896183380051883952802814189699617668295803065632819874496528131410597575779311596192259286016821
# 7^931+1 Aurifeuillian M, 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