Q: Is 723,689 a Prime Number?
A: No, 723,689 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 723689 can be evenly divided by 1 641 1,129 and 723,689, with no remainder.
Since 723,689 cannot be divided by just 1 and 723,689, it is not a prime number.