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