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