Q: Is 81,723 a Prime Number?
A: No, 81,723 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 81723 can be evenly divided by 1 3 27,241 and 81,723, with no remainder.
Since 81,723 cannot be divided by just 1 and 81,723, it is not a prime number.