Let's look at example 36.
36 = 0010 0100
36 4 * 9, i.e
4 = 0100
9 = 1001
If you multiply them (for example, by normal multiplication), you will have
0100 x
1001
0100
0000
0000
0100
0100100
So essentially 0100 x 1001 = 0010 0100(you can repeat the same for any other pair of dividers, of course)
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