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