Q: Is 400,604 a Prime Number?
A: No, 400,604 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 400604 can be evenly divided by 1 2 4 100,151 200,302 and 400,604, with no remainder.
Since 400,604 cannot be divided by just 1 and 400,604, it is not a prime number.