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 {11, 5, 2, 8, 25, 17} → ______
- Prime numbers in {7, 19, 15, 25, 23, 13} → ______
- Prime numbers in {29, 7, 9, 12, 2, 13} → ______
- Prime numbers in {5, 19, 12, 7, 15, 8} → ______
- Prime numbers in {9, 7, 23, 21, 29, 3} → ______
- Prime numbers in {23, 9, 27, 11, 5, 8} → ______
- Prime numbers in {5, 15, 13, 3, 9, 11} → ______
- Prime numbers in {2, 19, 13, 25, 9, 7} → ______
- Prime numbers in {9, 15, 11, 12, 19, 5} → ______
- Prime numbers in {29, 9, 12, 11, 23, 21} → ______
- Prime numbers in {21, 9, 11, 23, 2, 8} → ______
- Prime numbers in {12, 11, 7, 3, 21, 23} → ______
- Prime numbers in {8, 17, 15, 2, 13, 5} → ______
- Prime numbers in {23, 17, 9, 19, 21, 2} → ______
- Prime numbers in {8, 21, 29, 5, 12, 11} → ______
- Prime numbers in {29, 12, 23, 7, 3, 8} → ______
- Prime numbers in {3, 29, 15, 17, 12, 13} → ______
- Prime numbers in {21, 8, 15, 9, 23, 12} → ______
- Prime numbers in {2, 17, 7, 23, 25, 15} → ______
- Prime numbers in {5, 23, 7, 8, 17, 11} → ______