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