Q: Is 398,604 a Prime Number?
A: No, 398,604 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 398604 can be evenly divided by 1 2 3 4 6 12 59 118 177 236 354 563 708 1,126 1,689 2,252 3,378 6,756 33,217 66,434 99,651 132,868 199,302 and 398,604, with no remainder.
Since 398,604 cannot be divided by just 1 and 398,604, it is not a prime number.