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