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