Q: Is 688,694 a Prime Number?
A: No, 688,694 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 688694 can be evenly divided by 1 2 344,347 and 688,694, with no remainder.
Since 688,694 cannot be divided by just 1 and 688,694, it is not a prime number.