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