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