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