Q: Is 404,389 a Prime Number?

A: Yes, 404,389 is a prime number.

Why is 404,389 a prime number?

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

The number 404389 can be evenly divided by 1 and 404,389, with no remainder.

Since 404,389 can be divided by just 1 and 404,389, it is a prime number.

Number	404,387	404,388	404,390	404,391
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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