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