Q: Is 1,608,489 a Prime Number?
A: No, 1,608,489 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 1608489 can be evenly divided by 1 3 9 17 51 153 10,513 31,539 94,617 178,721 536,163 and 1,608,489, with no remainder.
Since 1,608,489 cannot be divided by just 1 and 1,608,489, it is not a prime number.