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