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