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