Q: Is 684,604 a Prime Number?
A: No, 684,604 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 684604 can be evenly divided by 1 2 4 31 62 124 5,521 11,042 22,084 171,151 342,302 and 684,604, with no remainder.
Since 684,604 cannot be divided by just 1 and 684,604, it is not a prime number.