28 = 2 * 2 * 7
48 = 2 * 2 * 2 * 2 * 3
64 = 2 * 2 * 2 * 2 * 2 * 2
72 = 2 * 2 * 2 * 3 * 3
42 = 2 * 3 * 7
54 = 2 * 3 * 3 * 3
84 = 2 * 2 * 3 * 7
96 = 2 * 2 * 2 * 2 * 2 * 3
28 = 2 * 2 * 7
48 = 2 * 2 * 2 * 2 * 3
64 = 2 * 2 * 2 * 2 * 2 * 2
72 = 2 * 2 * 2 * 3 * 3
42 = 2 * 3 * 7
54 = 2 * 3 * 3 * 3
84 = 2 * 2 * 3 * 7
96 = 2 * 2 * 2 * 2 * 2 * 3