Find The Prime Number

#include "stdio.h"
int main (void)
{
 int number;
 printf("Enter a number within (10-100):\n");
 scanf("%d", &number);
 if (number%2==0||number%3==0||number%5==0||number%7==0)
 {
  printf("Not prime\n");
 }
 else
 {
  printf("Prime.\n");
 }
 return 0;
}