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