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