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