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