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