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