Q: Is 678,501 a Prime Number?

A: No, 678,501 is not a prime number.

Why is 678,501 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 678501 can be evenly divided by 1 3 9 75,389 226,167 and 678,501, with no remainder.

Since 678,501 cannot be divided by just 1 and 678,501, it is not a prime number.

Number	678,499	678,500	678,502	678,503
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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