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