10^356+1

Open composite · C292

NFS Planning

GNFS Murphy estimate: 2.59e-20
SNFS Murphy score: 5.20e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.75085

Identifiers

Target expression: 10^356+1
Target link: FactorDB page
Target ID: 1000000000008550380
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C292
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(4) 158777.118638175449391414217.205634535002357125750465106981645977.C292

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 5.20e-17
Skew: 1.75085
Selected: Best

n: 2581359359744762860417791582358627659249992361166129250666314467204952114319175366958052248973063055396912514822877355911143055735267996668245442506537366151470918086285639197826159600066124364447994475381322896042621446909952179989666975869972718328065898153808450370856799154212622411136857
# 10^356+1, difficulty: 357.00, skewness: 1.39
# cost: 1.24142e+22, est. time: 5911512.81 GHz days (not accurate yet!)
# Optimized skew: 1.75085 Murphy: 5.20e-17
skew: 1.75085
c7: 1
c0: 10
Y1: -1
Y0: 1000000000000000000000000000000000000000000000000000
type: snfs