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