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How Do You Know If A Number Is Prime?

Answer»

It is GENERALLY recommended to use PROBABILISTIC primality testing, which is much quicker than actually proving that a number is prime. One can use a probabilistic TEST that determines whether a number is prime with arbitrarily small probability of error, SAY, less than 2100.

It is generally recommended to use probabilistic primality testing, which is much quicker than actually proving that a number is prime. One can use a probabilistic test that determines whether a number is prime with arbitrarily small probability of error, say, less than 2100.



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