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