Q: Is 689,509 a Prime Number?
A: Yes, 689,509 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 689509 can be evenly divided by 1 and 689,509, with no remainder.
Since 689,509 can be divided by just 1 and 689,509, it is a prime number.