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