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