What causes the error?

Question

This is my code for Semiprime Number Challenge. But it always returns “Time limit exceeded”. What’s wrong with my code? How to solve it?

https://code.sololearn.com/cAyaOx4W0Iiz/?ref=app

Answer 1

Jamie💐 I typed 21 in it and time limit exceeded. I have changed the code into another possible version and solved it. Thank you~

Answer 2

Daniel Prince Sorry but I am learning python instead of C++. I can not solve C++ problems.