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