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