HI, You've given a solution for is_prime but I can't get it out from the error.Please can you help me.

# Is prime

**stetim94**#2

Please make your own topic with code + question + error message, the response times on the forums are good, someone will help you

**rajluckshmi**#3

```
def is_prime(x):
for n in range(2 , x-1):
if x % n == 0:
return False
else:
return True
```

The error is:Oops, try again.

Your function fails on is_prime(0). It returns None when it should return False.

**stetim94**#4

I am not going to answer that, i already did:

2 is bigger then -1, so the loop won't run