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