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