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