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