What are the common factors of 12 and 20?
Understand the Problem
The question is asking to identify the common factors of the numbers 12 and 20. The common factors are the numbers that divide both 12 and 20 without leaving a remainder.
Answer
1, 2, 4
Answer for screen readers
The common factors of 12 and 20 are 1, 2, and 4.
Steps to Solve
- Find the factors of 12
List all the numbers that divide 12 without leaving a remainder. These are 1, 2, 3, 4, 6, and 12.
- Find the factors of 20
List all the numbers that divide 20 without leaving a remainder. These are 1, 2, 4, 5, 10, and 20.
- Identify the common factors
Compare the lists of factors for both 12 and 20 and find the numbers that are present in both lists. The common factors are 1, 2, and 4.
The common factors of 12 and 20 are 1, 2, and 4.
More Information
Finding common factors is useful in various real-world scenarios, such as simplifying fractions.
Tips
A common mistake is to miss out on some factors. Make sure to consider all possible factors for each number.
