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