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