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