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