Question

Find the greatist common factor of 18 and 35
1
3
18
7

Answer 1

GCF = 1

Explanation:

factors of 18 = 1, 2, 3, 6, 9, 18

factors of 35 = 1, 5, 7, 35

the common factor to both is 1 only

then the GCF of 18 and 35 is 1

Answer 2

18: 1, 2, 3, 6, 9, 18
35: 1, 5, 7, 45
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GCF is 1