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