0
Anonymous
Keep dividing by two.
32
16,2
8,2,2
4,2,2,2
2,2,2,2,2
40
20,2
10,2,2
5,2,2,2
Wiki User
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All I did was make a factor tree. The GCF (Greatest Common Factor) is 5. :)
8
40 20,2 10,2,2 5,2,2,2
It is 4
The GCF is: 8