Q: Is 172,323 a Prime Number?

A: No, 172,323 is not a prime number.

Why is 172,323 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 172323 can be evenly divided by 1 3 9 41 123 369 467 1,401 4,203 19,147 57,441 and 172,323, with no remainder.

Since 172,323 cannot be divided by just 1 and 172,323, it is not a prime number.

Number	172,321	172,322	172,324	172,325
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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