Q: Is 406,520 a Prime Number?
A: No, 406,520 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 406520 can be evenly divided by 1 2 4 5 8 10 20 40 10,163 20,326 40,652 50,815 81,304 101,630 203,260 and 406,520, with no remainder.
Since 406,520 cannot be divided by just 1 and 406,520, it is not a prime number.