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