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