![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Factor the each monomial.
\16x = 2 · 2 · 2 · 2 · x
\36x = 2 · 2 · 3 · 3 · x
\The GCF is the product of the common prime factors in each monomial.
\GCF = 2 · 2 · x = 4x The greatest common factor of 16x and 36x is 4x.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The greatest common factor of 16x and 36x is 4x.