Q: Is 16,815 a Prime Number?
A: No, 16,815 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 16815 can be evenly divided by 1 3 5 15 19 57 59 95 177 285 295 885 1,121 3,363 5,605 and 16,815, with no remainder.
Since 16,815 cannot be divided by just 1 and 16,815, it is not a prime number.