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