Q: Is 321,171 a Prime Number?

A: No, 321,171 is not a prime number.

Why is 321,171 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 321171 can be evenly divided by 1 3 107,057 and 321,171, with no remainder.

Since 321,171 cannot be divided by just 1 and 321,171, it is not a prime number.

Number	321,169	321,170	321,172	321,173
Prime?	yes	no	no	no

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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