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