find greatest common factor of 10ab^5, 12ab^4,16a^2b^3

Question

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Answer 1

10ab^5 = 2 * 5 * a * b * b * b * b * b

12ab^4 = 2 * 2 * 3 * a * b * b * b * b

16a^2b^3 = 2 * 2 * 2 * 2 * a * a * b * b * b

The GCF is made of the factors that appear in both 10ab^5, 12ab^4, and 16a^2b^3.  In this case that's 2 * a * b * b * b = 2ab^3.

Answer:  The GCF os 10ab^5, 12ab^4, and 16a^2b^3 is 2ab^3.