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