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