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