prime number c
#include <stdio.h>
int main()
{
int i, num, p = 0;
printf("Please enter a number: n");
scanf("%d", &num);
for(i=1; i<=num; i++)
{
if(num%i==0)
{
p++;
}
}
if(p==2)
{
printf("Entered number is %d "
"and it is a prime number.",num);
}
else
{
printf("Entered number is %d "
"and it is not a prime number.",num);
}
}