Find the LCM of 4 and 6.

Find the HCF of 12 and 18.

The HCF of 24 and 36 is the product of their common prime factors. What is it?

If two numbers are 8 and 12, what is LCM × HCF?

The LCM of two numbers is 60, and one number is 15. Find the smallest possible other number.

Two bells ring every 4 minutes and every 6 minutes. If they ring together now, after how many minutes will they ring together again?

36 and 48 chocolates must be packed in equal boxes with no leftover.

What is the greatest number of chocolates per box?

If HCF of two numbers is 5 and their LCM is 150, which of the following could be their product?

Which pair of numbers has an LCM equal to their product?

The HCF of two numbers is 9, and their LCM is 180.

If one number is 45, find the other.