1, 2, 4, 5, 8, 10, 20, **02204-10 5*8
1, 2, 3, 6, 9 and 1
1x 18 29 30
Notice that 17 and 11 have two factors each. The factors of 17
are l and 17. 17 can be divided exactly by itself and 1. The factors of
are I and II. Il can be divided exactly by itself and 1.
Notice that 40 and 18 have more than 2 factors each. The fact
40 are 1 2.4.5,8, 10, 20, and 40. The factors of 18 are 1, 2, 3, 6,
18