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