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