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