Program to check given number is prime or not

Question

I don't know how to solve

Answer 1

Hint 1. You need to count the factors of a number if the factors of a number is only ( 1 and the number itself) then it is prime number

Hint 2. For finding factor run a loop and check num%2 == 0

Try this and then show your attempt

Answer 2

Manash Saikia Even i

Answer 3

Krish Ok man

Answer 4

sanyami sukhdeve at least write something and attach it here so that we can improve your attempt

Answer 5

Krish I deleted the answer

Answer 6

#include <stdio.h>

int main()
{
int n,i, flag;
printf("enter n =");
scanf("%d",&n);
for(i=2; i<n;i++)
{
if(n%2==0)
{
flag=1;
break;
}

}
if (flag==1)
{
printf("not a prime ");
}
else
{
printf("\nprime no. ");
}
return 0;
}

Hope it will be helpful to you 🙂

Answer 7

Okay