Q: Is 172,359 a Prime Number?

A: No, 172,359 is not a prime number.

Why is 172,359 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 172359 can be evenly divided by 1 3 9 11 33 99 1,741 5,223 15,669 19,151 57,453 and 172,359, with no remainder.

Since 172,359 cannot be divided by just 1 and 172,359, it is not a prime number.

Number	172,357	172,358	172,360	172,361
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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