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