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