Q: Is 813,199 a Prime Number?
A: Yes, 813,199 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 813199 can be evenly divided by 1 and 813,199, with no remainder.
Since 813,199 can be divided by just 1 and 813,199, it is a prime number.