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