Q: Is 123,542 a Prime Number?

A: No, 123,542 is not a prime number.

Why is 123,542 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 123542 can be evenly divided by 1 2 223 277 446 554 61,771 and 123,542, with no remainder.

Since 123,542 cannot be divided by just 1 and 123,542, it is not a prime number.

Number	123,540	123,541	123,543	123,544
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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