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