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