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