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