Q: Is 199,811 a Prime Number?
A: Yes, 199,811 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 199811 can be evenly divided by 1 and 199,811, with no remainder.
Since 199,811 can be divided by just 1 and 199,811, it is a prime number.