Q: What is the gcf of 5 and 9?

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The GCF is 1.

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

GCF of 36 and 45 is 9 36 = 9 x 4 45 = 9 x 5

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The GCF is 1.

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7, 5, 9...405.

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

The GCF is 1.

GCF of 36 and 45 is 9 36 = 9 x 4 45 = 9 x 5

It is: 1

(2 x 9) + (3 x 9) = 5 x 9 = 45 The GCF is 9.

The highest common factor of 9 and 15 is 3.(3*3) and (5*3)Factors of 9: 1 3 9Factors of 15: 1 3 5 15The GCF is 3.The GCF is 3.