Q: Is 685,460 a Prime Number?
A: No, 685,460 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 685460 can be evenly divided by 1 2 4 5 10 20 34,273 68,546 137,092 171,365 342,730 and 685,460, with no remainder.
Since 685,460 cannot be divided by just 1 and 685,460, it is not a prime number.