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