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