C Program to Check if Number is Prime or Not using For Loop
Write a Program to Check if Number is Prime or Not using For Loop
// C Program to Check if Number is Prime or Not using For Loop
#include <stdio.h>
int main()
{
int n;
printf("Enter the number :--> ");
scanf("%d", &n);
int i = 2, count=0;
for(; i < n; )
{
if(n % i == 0)
{
count++;
break;
}
i++;
}
if(count == 1)
{
printf("%d is Not a Prime number", n);
}
else
{
printf("%d is a Prime number", n);
}
return 0;
}
Output:
Enter the number :--> 11
11 Prime a number
Enter the number :--> 65
65 is Not a Prime number