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