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