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