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