Q: Is 604,431 a Prime Number?
A: No, 604,431 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 604431 can be evenly divided by 1 3 9 239 281 717 843 2,151 2,529 67,159 201,477 and 604,431, with no remainder.
Since 604,431 cannot be divided by just 1 and 604,431, it is not a prime number.