Q: Is 406,009 a Prime Number?
A: No, 406,009 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 406009 can be evenly divided by 1 113 3,593 and 406,009, with no remainder.
Since 406,009 cannot be divided by just 1 and 406,009, it is not a prime number.