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