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