encircle the common factor/s of the given pairs of numbers .
pairs of numbers common factors /s.
6.51 and 45 3 6 9.?
7.804 and 306 3 6 9.?
8.153 and 855 3 6 9.?
9.360 and 792 3 6 9.?
10.720 and 207 3 6 9.?​