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