Q: Is 18,005 a Prime Number?

 A: No, 18,005 is not a prime number.

Why is 18,005 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 18005 can be evenly divided by 1 5 13 65 277 1,385 3,601 and 18,005, with no remainder.

Since 18,005 cannot be divided by just 1 and 18,005, it is not a prime number.


More Examples

Number 18,00318,00418,00618,007
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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