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