Q: Is 491,723 a Prime Number?
A: No, 491,723 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 491723 can be evenly divided by 1 313 1,571 and 491,723, with no remainder.
Since 491,723 cannot be divided by just 1 and 491,723, it is not a prime number.