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