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