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Factor the each monomial.
\9 m2 = 3 · 3 · m· m
\27 m3= 3· 3 ·3· m· m· m
\The GCF is the product of the common prime factors in each monomial.
\GCF = m The greatest common factor of 9 m2 and 8x2 is 3 · 3 · m· m = 9 m2.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The greatest common factor of 9 m2 and 27 m3 is 9 m2.