i=2; i<=num/2; ++i

Question

Please explain this entire loop clearly step by step I am not understanding the condition statement this is the c++ number is prime or not program.

Answer 1

Variable <i> here is a loop counter. The loop counter is initialized as 2, and the value of variable <i> will be incremented by one on each loop iteration until value of <i> equals <num> / 2.

Try to review the lesson on loops, usually it helps.