Write a complete C program including declaration of function(s), the function(s) code, and main with its call to the function(s) of the examples posted in this module and the previous one.

2. Do these standard problems in full code:

finding the average of a bunch of numbers till the user enters 0.

finding the prime numbers from 0 to n where n is the input.

finding factorials. Do this using loops, and recursive functions.

find the average of all prime numbers between 0 to n.

finding the total of all doubles (or cubes...) between a range 0 to n.