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