Q: Is 172,309 a Prime Number?

A: No, 172,309 is not a prime number.

Why is 172,309 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 172309 can be evenly divided by 1 37 4,657 and 172,309, with no remainder.

Since 172,309 cannot be divided by just 1 and 172,309, it is not a prime number.

Number	172,307	172,308	172,310	172,311
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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