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