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