Primality Test!
Have you ever wondered if 10,966,906,729 was a prime number or not? We all have! Well it isn't(factor=104,723), and now we can know by this simple place. You can almost instantly check if a number up to nearly 11 billion is prime or not! And if it isn't, it'll give you a factor you can use to see for yourself that the number isn't prime!(Only on numbers above 104,724) In the future, I may increase the amount of numbers you can test. Try finding an 11-digit-number that is prime!