Q: Is 172,023 a Prime Number?

A: No, 172,023 is not a prime number.

Why is 172,023 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 172023 can be evenly divided by 1 3 17 51 3,373 10,119 57,341 and 172,023, with no remainder.

Since 172,023 cannot be divided by just 1 and 172,023, it is not a prime number.

Number	172,021	172,022	172,024	172,025
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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