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