Prime Factorization of 25:
Express the composite number as a product of its prime factors.
Draw the factor tree.
The prime factorization of 25 is 5 · 5 or 52.
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![\"Prime_factorization_tree_25\"](\"/userfiles/image/Library/Algebra1/Prime_factorization_tree_25.gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")