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