Q: Is 123,815 a Prime Number?

A: No, 123,815 is not a prime number.

Why is 123,815 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 123815 can be evenly divided by 1 5 24,763 and 123,815, with no remainder.

Since 123,815 cannot be divided by just 1 and 123,815, it is not a prime number.

Number	123,813	123,814	123,816	123,817
Prime?	no	no	no	yes

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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