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