Q: Is 663,009 a Prime Number?

A: No, 663,009 is not a prime number.

Why is 663,009 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 663009 can be evenly divided by 1 3 61 183 3,623 10,869 221,003 and 663,009, with no remainder.

Since 663,009 cannot be divided by just 1 and 663,009, it is not a prime number.

Number	663,007	663,008	663,010	663,011
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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