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