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