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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.
hi guys , i just want to know why no one used the solution that works with numbers of format ( 6k-1 , 6k+1) or (6k+1 , 6k+5 ) becuase this probleme of finding if a number is prime or not is constently reapearing everywhere ,so i want to know what is the fastest solution ?