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