2: 1, 2
4: 1, 2, 4
5: 1, 5
Therefore, the Greatest Common Factor for 2, 4, 5 is 1
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The GCF is 1.
16 = (2)(2)(2)(2)28 = (2)(2)(7)40 = (2)(2)(2)(5)(2)(2) = 4
68 = 2 x 2 x 17 60 = 2 x 2 x 3 x 5 In common is 2 x 2. So GCF = 2 x 2 = 4
The GCF is 1.
This answer will be 2 because can go into 4 and 2 can go into 10 how many times 5 cause 5 times 2 equals and 2 times 2 equal and they both have an 2 in that number so two(2) will be your answer.The GCF is 2.