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