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