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