![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Method 1:
\Factor the each monomial.
\5ab = 5 · a · b
\6b2 = 2 · 3 · b · b
\The GCF is the product of the common prime factors in each monomial.
\GCF = b
\ The greatest common factor of 5ab and 6b2 is b.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The greatest common factor of 5ab and 6b2 is b.