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