![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Prime Factorization of 180:
\Express the composite number as a product of its prime factors.
\Draw a factor tree to write the factorization of 180.
\![\"Prime_factorization_tree_180\"](\"/userfiles/image/Library/Algebra1/Prime_factorization_tree_180.gif\")
The prime factorization of 180 is 2 · 2 · 3 · 3 · 5 or 22 · 32 · 5.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The prime factorization of 180 is 2 · 2 · 3 · 3 · 5 or 22 · 32 · 5.