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