Find the LCM and HCF of 6 and 20 by the prime factorisation method.

Explanation

To find the LCM (Least Common Multiple) and HCF (Highest Common Factor) of 6 and 20 using the prime factorization method, we will follow these steps:

### Step 1: Prime Factorization of 6
To find the prime factorization of 6, we divide it by the smallest prime number until we reach 1.

- 6 can be divided by 2 (the smallest prime number):
\[
6 \div 2 = 3
...