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