Why is throwing an exception ?

Question

I'm trying to code a solution for project euler(1001st prime) but it's keep throwing a "outside the bounds of an array" exception at me.How can I fix it.
https://code.sololearn.com/c9grd03e04Ui/?ref=app

Answer 1

There is only 1 element in result[], so IndexOutOfRangeException is thrown.

Answer 2

Console.WriteLine(result[10]);

This is causing your error. The array does not have 11 elements when you try to access it.

Answer 3

How can i fix it

Answer 4

How does it have only one element