Find greatest common factor quickly simple accurate tool guide
GCF is found using Euclidean algorithm. Repeated division method is used. Replace larger number by remainder until zero appears.
Enter two numbers in input fields. Click calculate button. Result will appear instantly. You can change values anytime for new results.
| Number 1 | Number 2 | GCF |
|---|---|---|
| 8 | 10 | 2 |
| 12 | 18 | 6 |
| 20 | 30 | 10 |
The greatest common factor helps