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