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