Prime Factorization Worksheets

Each pdf worksheet in this bunch includes ten composite numbers to practice determining the prime factors. Get young minds to work with prime numbers, and let them figure out that every composite number can be expressed as a product of prime factors by solving problems included here. Also, encourage them to use the divisibility rules to find factors easily and instantly.

This bunch of prime factorization worksheets is designed for 3rd grade, 4th grade, and 5th grade children.

CCSS: 4.OA.4

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Prime Factorization