Q: Is 506,406 a Prime Number?
A: No, 506,406 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 506406 can be evenly divided by 1 2 3 6 84,401 168,802 253,203 and 506,406, with no remainder.
Since 506,406 cannot be divided by just 1 and 506,406, it is not a prime number.