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