Q: Is 18,005 a Prime Number?
A: No, 18,005 is 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.