I have been working on prime number programs and I came across some Ruby code:

```
    (2..prime/2).none?{|i| prime % i == 0}

```

could someone break this down to me and explain it to me in simple terms. If you are familiar with reddit EIL5. (Explain it Like I'm 5.)

I found the code here: 

[How can I test if a value is a prime number in Ruby? Both the easy and the hard way?](https://stackoverflow.com/questions/11762043/how-can-i-test-if-a-value-is-a-prime-number-in-ruby-both-the-easy-and-the-hard)