The *primorial* of a number is the product of all the prime numbers less than or equal to that number. For example, the primorial of \(6\) is \(2 \times 3 \times 5 = 30\).

How many different whole numbers have a primorial of \(210\)?

The *primorial* of a number is the product of all the prime numbers less than or equal to that number. For example, the primorial of \(6\) is \(2 \times 3 \times 5 = 30\).

How many different whole numbers have a primorial of \(210\)?