I guess you're asking for how to work out 664 ÷ 8 by long division:
...... 83
.. -------
8 | 664 ........ 8 does not go into '6'
.... 64 .......... 8 goes into '66' 8 times, put 8 in answer over second 6 of '66'
.... --- .......... put 8 x 8 = 64 under 66 and subtract to get 2
...... 24 ........ bring down next digit (4)
...... 24 ........ 8 goes into '24' 3 times, put 3 in answer over the '4'
...... --- ........ put 8 x 3 = 24 under 24 and subtract to get 0
........ 0 ........ result of subtraction is zero and no more digits to bring down, division complete
Therefore 664 ÷ 8 = 83
64/8=8
The factors of 664 are: 1, 2, 4, 8, 83, 166, 332, 664.
54/8 = 6.75
18.5
8
30
21
1, 2, 4, 8, 83, 166, 332, 664, -1, -2, -4, -8, -83, -166, -332, -664
8
56
0.375
72/8 = 9