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