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