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