As you know, a prime number is any positive integer, other than 1, which has exactly two distinct factors (itself and 1). Thus the set of primes starts $2,3,5,7,11, \ldots, $
Issue 2
At some stage of our school life, most of us would have sent or received coded messages from our classmates.
Issue 3
Anybody who knows where he is going is happy, unhappy people wander aimlessly in circles.