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