What kind of math problems are they solving? Is it used for anything? Why are they doing it?
In: 919
They are trying to find the 2 numbers that a larger number is divisible by. For smaller numbers it’s fairly simple. 72 is divisible by 8 and 9. 26 is divisible by 13 and 2, etc.
For big (and I mean BIG) numbers the only way to find out what it is divisible by is to guess, check, and move onto the next guess. This method is often called brute-forcing. Each check is small but it takes billions if not trillions of guesses to find the solution which is why so much computing is necessary.
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