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