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