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