Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {23, 27, 17, 9, 19, 21} → ______
- Prime numbers in {15, 17, 12, 29, 7, 3} → ______
- Prime numbers in {23, 25, 21, 9, 19, 11} → ______
- Prime numbers in {2, 23, 8, 9, 27, 25} → ______
- Prime numbers in {7, 2, 27, 5, 3, 9} → ______
- Prime numbers in {3, 2, 12, 23, 13, 11} → ______
- Prime numbers in {5, 7, 9, 15, 3, 13} → ______
- Prime numbers in {29, 15, 11, 23, 13, 8} → ______
- Prime numbers in {21, 3, 23, 9, 7, 11} → ______
- Prime numbers in {13, 2, 29, 5, 19, 25} → ______
- Prime numbers in {7, 23, 25, 9, 5, 15} → ______
- Prime numbers in {11, 5, 2, 3, 25, 27} → ______
- Prime numbers in {8, 5, 27, 3, 13, 11} → ______
- Prime numbers in {8, 27, 15, 12, 7, 2} → ______
- Prime numbers in {15, 8, 19, 3, 21, 13} → ______
- Prime numbers in {5, 3, 27, 23, 25, 29} → ______
- Prime numbers in {19, 23, 2, 21, 17, 8} → ______
- Prime numbers in {13, 2, 15, 19, 3, 23} → ______
- Prime numbers in {7, 27, 25, 5, 12, 3} → ______
- Prime numbers in {11, 5, 21, 17, 13, 2} → ______