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