Q: Is 321,021 a Prime Number?

A: No, 321,021 is not a prime number.

Why is 321,021 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 321021 can be evenly divided by 1 3 9 53 159 477 673 2,019 6,057 35,669 107,007 and 321,021, with no remainder.

Since 321,021 cannot be divided by just 1 and 321,021, it is not a prime number.

Number	321,019	321,020	321,022	321,023
Prime?	no	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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