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