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