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