2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/90983This work is a tutorial on Shor's factoring algorithm by means of a worked out example. Some basic concepts of Quantum Mechanics and quantum circuits are reviewed. It is intended for non-specialists which have basic knowledge on undergraduate Linear Algebra.25 pages, 14 figures, introductory reviewQuantum Physicstext