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