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