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