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