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