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