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