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