Question

Determine the LCM of $546$ and $676$ using ladder diagram.

• A. $14196$
• B. $1546$
• C. $13176$

Answer 1

The correct option is A $14196$

Let's extract the prime factors using ladder diagram.

$\therefore$ LCM $=2\times 2\times 3\times 7\times 13\times 13=14196$