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