Q: Is 688,697 a Prime Number?
A: Yes, 688,697 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 688697 can be evenly divided by 1 and 688,697, with no remainder.
Since 688,697 can be divided by just 1 and 688,697, it is a prime number.