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