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