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