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