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