Q: Is 18,538 a Prime Number?
A: No, 18,538 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 18538 can be evenly divided by 1 2 13 23 26 31 46 62 299 403 598 713 806 1,426 9,269 and 18,538, with no remainder.
Since 18,538 cannot be divided by just 1 and 18,538, it is not a prime number.