Q: Is 684,425 a Prime Number?
A: No, 684,425 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 684425 can be evenly divided by 1 5 7 25 35 175 3,911 19,555 27,377 97,775 136,885 and 684,425, with no remainder.
Since 684,425 cannot be divided by just 1 and 684,425, it is not a prime number.