Q: Is 918,021 a Prime Number?

A: No, 918,021 is not a prime number.

Why is 918,021 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 918021 can be evenly divided by 1 3 13 39 23,539 70,617 306,007 and 918,021, with no remainder.

Since 918,021 cannot be divided by just 1 and 918,021, it is not a prime number.

Number	918,019	918,020	918,022	918,023
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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