Q: Is 19,813 a Prime Number?
A: Yes, 19,813 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 19813 can be evenly divided by 1 and 19,813, with no remainder.
Since 19,813 can be divided by just 1 and 19,813, it is a prime number.