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