每题多学点——Wilson primes【C语言】

一、原题

Wilson primeshttps://www.codewars.com/kata/55dc4520094bbaf50e0000cb/train/c  

Instructions

Wilson primes satisfy the following condition. Let P represent a prime number. Then,  ((P−1)!+1)  /   (P∗P) should give a whole number, where P!P! is the factorial of PP. Your task is to create a function that