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