Q: Is 550,009 a Prime Number?

A: Yes, 550,009 is a prime number.

Why is 550,009 a prime number?

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

The number 550009 can be evenly divided by 1 and 550,009, with no remainder.

Since 550,009 can be divided by just 1 and 550,009, it is a prime number.

Number	550,007	550,008	550,010	550,011
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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