Q: Is 123,809 a Prime Number?

A: No, 123,809 is not a prime number.

Why is 123,809 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 123809 can be evenly divided by 1 7 23 161 769 5,383 17,687 and 123,809, with no remainder.

Since 123,809 cannot be divided by just 1 and 123,809, it is not a prime number.

Number	123,807	123,808	123,810	123,811
Prime?	no	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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