Q: Is 505,604 a Prime Number?
A: No, 505,604 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 505604 can be evenly divided by 1 2 4 11 22 44 11,491 22,982 45,964 126,401 252,802 and 505,604, with no remainder.
Since 505,604 cannot be divided by just 1 and 505,604, it is not a prime number.