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