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