Q: Is 255,604 a Prime Number?
A: No, 255,604 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 255604 can be evenly divided by 1 2 4 63,901 127,802 and 255,604, with no remainder.
Since 255,604 cannot be divided by just 1 and 255,604, it is not a prime number.