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