Examples of C part 33 maximum prime number till n

Program :

#include<stdio.h>
main()
{
  int num,i,count=0,j,maxPrime=1;
  printf("Enter a number \n");
  scanf("%d",&num);
  for(i=1;i<=num;i++)
  {
    count=0;
    for(j=1;j<=i;j++)
    {
      if(i%j==0)
      {
        count++;
      }
    }
    if(count==2)
    {
      if(maxPrime<i)
      {
       maxPrime=i;
      }
    }
  }

  printf("Maximum Prime number below %d is %d\n",num,maxPrime);
}

Output:
Enter a number
10000
Maximum Prime number below 10000 is 9973Explanation:
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