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