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