Q: Is 179,905 a Prime Number?

A: No, 179,905 is not a prime number.

Why is 179,905 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 179905 can be evenly divided by 1 5 11 55 3,271 16,355 35,981 and 179,905, with no remainder.

Since 179,905 cannot be divided by just 1 and 179,905, it is not a prime number.

Number	179,903	179,904	179,906	179,907
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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