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