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