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