Factors of Prime and Composite Numbers #1

Learners practice determining factors of prime and composite numbers with this fourth-grade math worksheet. In this one-page number theory worksheet, students are asked to write all of the factor pairs for each of 16 numbers between 1 and 100, honing their multiplication and division facts in the process. Then learners will demonstrate their number sense by labeling each number as either prime or composite based on the factors they identified. For more targeted skills practice, be sure to check out Factors of Prime and Composite Numbers #2 next!