How to use the Common Factor Calculator
The common factor calculator lists the factors shared by two or more numbers.
Open the Common Factor Calculator →
What you need to enter
- Whole numbers
The formula
Common factors are the factors of the GCF.
Worked example
Using the default values in the calculator:
- Whole numbers: 36, 60, 84
| Common factors | 1, 2, 3, 4, 6, 12 |
| GCF | 12 |
Tips for better results
- The largest is the GCF.
- Use it to simplify ratios.
Common mistakes to avoid
- Listing multiples instead of factors.
- Missing 1.