Factors and Multiples

Bhavagna celebrates her birthday every year. The number of chocolates that she distributes every year is the greatest $3$-digit common multiple of all the prime factors of the number representing that year. How many chocolates should Bhavagna distribute in the year $2016$.

The greatest pair of twin primes of $2$-digit numbers is

The number of prime factors of $48$ is

The greatest $2$-digit multiple of $8$ is

The number of factors of $24$ is

Express $36$ and $75$ as the product of prime numbers.

$199$ is a prime number.

$\mathrm{LCM}\left(a, b\right)\times \mathrm{HCF}\left(a, b\right)$

The number of common multiples of $6$ and $15$ is

Which of the following is a composite number?

Which of the following is not a sphenic number?

Which of the following is a prime number?