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