greatest common factor of 24 and 40
Understand the Problem
The question is asking us to find the greatest common factor (GCF) of the two numbers, 24 and 40. To solve this, we will identify the factors of both numbers and determine the largest factor that they have in common.
Answer
8
Answer for screen readers
The final answer is 8
Steps to Solve
- List the factors of each number
List all factors of 24: 1, 2, 3, 4, 6, 8, 12, 24 List all factors of 40: 1, 2, 4, 5, 8, 10, 20, 40
- Identify common factors
The common factors of 24 and 40 are 1, 2, 4, and 8.
- Choose the greatest common factor
The greatest common factor (GCF) from the common factors 1, 2, 4, and 8 is 8.
The final answer is 8
More Information
The greatest common factor (GCF) is useful in simplifying fractions and solving problems involving divisibility.
Tips
Common mistakes include forgetting to list all factors or mistaking common factors. Double-check factors by multiplying them to see if they produce the original numbers.
