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