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