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