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