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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.
1492952653 is not prime:
1492952653 = 31 × 48159763. The problem is with your code.Thank you! I didn´t know about this, and I didn´t know how to look for it.
Given that definition, no, it's not.