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