Factors of 9: 1, 3, and 9
Factors of 5: 1, and 5
The only common factor is ' 1 ', so it's also the greatest common factor.
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The GCF is 1.
45 = 5 x 9, 117 = 13 x 9. 5 and 13 are co-prime so GCF is 9.
the GCF of 9 & 30 = 3 Prime Factorization of: 9 = 3 * 3 30=.....3 * 2 * 5 =========== GCF = 3
It is: 1
GCF of 36 and 45 is 9 36 = 9 x 4 45 = 9 x 5