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