Q: Is 685,607 a Prime Number?
A: No, 685,607 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 685607 can be evenly divided by 1 13 23 299 2,293 29,809 52,739 and 685,607, with no remainder.
Since 685,607 cannot be divided by just 1 and 685,607, it is not a prime number.