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