Q: Is 123,457 a Prime Number?

A: Yes, 123,457 is a prime number.

Why is 123,457 a prime number?

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

The number 123457 can be evenly divided by 1 and 123,457, with no remainder.

Since 123,457 can be divided by just 1 and 123,457, it is a prime number.

Number	123,455	123,456	123,458	123,459
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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