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