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