Answer :
Answer:
To find the highest common factor (HCF) of two numbers when you already know their least common multiple (LCM), you can use the relationship between HCF and LCM:
HCF × LCM = Product of the two numbers
In this case, the product of 24 and 36 is 24 × 36 = 864.
So, HCF × 72 = 864
Divide 864 by 72 to find the HCF:
HCF = 864 / 72 = 12
Therefore, the HCF of 24 and 36 is 12.