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