MathDB
Devisor tetrahedrons

Source: 239 2012 S8

July 30, 2020
geometry3D geometrytetrahedron

Problem Statement

We call a tetrahedron divisor of a parallelepiped if the parallelepiped can be divided into 66 copies of that tetrahedron. Does there exist a parallelepiped that it has at least two different divisor tetrahedrons?