Question

If the HCF of 60 and 168 is 12, what is the LCM?

• A. 480
• B. 240
• C. 840
• D. 420

Answer 1

The correct option is C

840

Given: HCF of 60 and 168 = 12
Product of two given numbers = Product of their HCF and LCM
$\Rightarrow$ 60 $\times$ 168 = 12 $\times$ LCM
$\Rightarrow$ LCM = $\frac{60\times 168}{12}$
$\Rightarrow$ LCM = 840
$\therefore$ LCM of 60 and 168 is 840.