Q: Is 491,789 a Prime Number?
A: Yes, 491,789 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 491789 can be evenly divided by 1 and 491,789, with no remainder.
Since 491,789 can be divided by just 1 and 491,789, it is a prime number.