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