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