primorial-of-a-number

Primorial Of a Number

Is similar to factorial of a number, In primorial, not all the natural numbers get multiplied, only prime numbers are multiplied to calculate the primorial of a number. It's denoted with P_#.

Task

Given a number N , calculate its primorial.

Notes

• Only positive numbers will be passed (N > 0) .

Input >> Output Examples:

1- numPrimorial (3) ==> return (30)

Explanation:

Since the passed number is (3) ,Then the primorial should obtained by multiplying 2 * 3 * 5 = 30 .

Mathematically written as , P₃# = 30 .

2- numPrimorial (5) ==> return (2310)

Explanation:

Since the passed number is (5) ,Then the primorial should obtained by multiplying 2 * 3 * 5 * 7 * 11 = 2310 .

Mathematically written as , P₅# = 2310 .

3- numPrimorial (6) ==> return (30030)

Explanation:

Since the passed number is (6) ,Then the primorial should obtained by multiplying 2 * 3 * 5 * 7 * 11 * 13 = 30030 .

Mathematically written as , P₆# = 30030 .