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