Answer:
28
Step-by-step explanation:
We will keep dividing by prime numbers until both are one (we will only consider whole divisions)
```
14 28 | 2
7 14 | 2
7 7 | 7
1 1
Now we multiply the left collumn, to get the LCM
2 * 2 * 7 = 28
And this was the vertical method, ok?
