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