Q: Is 18,515 a Prime Number?
A: No, 18,515 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 18515 can be evenly divided by 1 5 7 23 35 115 161 529 805 2,645 3,703 and 18,515, with no remainder.
Since 18,515 cannot be divided by just 1 and 18,515, it is not a prime number.