Q: Is 172,609 a Prime Number?

A: No, 172,609 is not a prime number.

Why is 172,609 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 172609 can be evenly divided by 1 101 1,709 and 172,609, with no remainder.

Since 172,609 cannot be divided by just 1 and 172,609, it is not a prime number.

Number	172,607	172,608	172,610	172,611
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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