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