Q: Is 604,003 a Prime Number?

A: No, 604,003 is not a prime number.

Why is 604,003 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 604003 can be evenly divided by 1 23 26,261 and 604,003, with no remainder.

Since 604,003 cannot be divided by just 1 and 604,003, it is not a prime number.

Number	604,001	604,002	604,004	604,005
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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