x2 and x5
2 x 3
6
3 x 3
9
6 x 3
18
8 x 2
16
2 x 5
10
3 x 4
12
6 x 6
36
8 x 6
40
4 x 30
120
2 x 12
24
4 x 4
16
6 x 7
42
8 x 8
64
7 x 500
3,500
5 x 5
25
4 x 6
24
7 x 4
28
8 x 9
72
50 x 300
15,000
5 x 12
60
4 x 9
36
7 x 8
56
9 x 9
81
600 x 800
480,000