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