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