Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
same error here, I create the prime numbers myself, that's why it takes so long. I wanted then to use the class Prime, but codewar doesn't accept it, so I guess I need to improve the efficency of my code, but not really want to do it, I solved the task