10^386+1

Open composite · C348

NFS Planning

GNFS Murphy estimate: 1.46e-23
SNFS Murphy score: 5.80e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.09602

Identifiers

Target expression: 10^386+1
Target link: FactorDB page
Target ID: 1000000000008550410
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C348
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(2) 1439921227944130405196041866693950149. C348

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 5.80e-18
Skew: 1.09602
Selected: Best

n: 687606370880870427959018448235849254639317345619621434017032879572860929920398902607494298958588594084238574026421737651936339017521725553913831532104913145105854227457179623736603669660231055527461492265264769420733673487990571801051382102232667139725977487110635169102419023822601711748025971087513387756753623537447387667059666376993609358157449
# 10^386+1, difficulty: 386.00, skewness: 1.39
# cost: 7.11606e+22, est. time: 33885978.48 GHz days (not accurate yet!)
# Optimized skew: 1.09602 Murphy: 5.80e-18
skew: 1.09602
c7: 1
c0: 10
Y1: -10000000000000000000000000000000000000000000000000000000
Y0: 1
type: snfs