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