10^419+1

Open composite · C315

NFS Planning

GNFS Murphy estimate: 1.20e-21
SNFS Murphy score: 4.15e-19
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.77332

Identifiers

Target expression: 10^419+1
Target link: FactorDB page
Target ID: 1000000000008550443
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C315
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(1) 7090831499216936060878833844687099890109979.1574200835907997335817135918163629758761675764557540970547321.C315

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 4.15e-19
Skew: 1.77332
Selected: Best

n: 814422964148969805070332772921012917803458529891939125649684218828564824441852395929360305071453988776827198897828780950998527632580522721809764477746647954501896524021789279123801251788741242745486306583159553017702000556353634006618064947482745891658204230470965323750804947729249900772476677431176742519177823649
# 10^419+1, difficulty: 420.00, skewness: 1.39
# cost: 4.99839e+23, est. time: 238018540.19 GHz days (not accurate yet!)
# Optimized skew: 1.77332 Murphy: 4.15e-19
skew: 1.77332
c7: 1
c0: 10
Y1: -1
Y0: 1000000000000000000000000000000000000000000000000000000000000
type: snfs