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