Multiply by
2
2
1x4
4
2x5
10
2x6
12
5x8
40
2x10
20
3x4
12
9x5
45
11x6
66
3x8
24
7x10
70
3x3
9
10x4
40
1x5
5
1x6
6
8x8
64
1x10
10
9x3
27
4x4
16
7x5
35
9x6
54
1x8
8
5x10
50
5x3
15
11x4
44
10x5
50
5x6
30
4x8
32
10x10
100
1x3
3
5x4
20
3x5
15
7x6
42
7x8
56
2x10
20
6x3
18
9x4
36
5x5
25
6x6
36
2x8
16
1x10
10
8x3
24
8x4
32
11x5
55
3x6
18
10x8
80
3x10
30