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