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