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