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