Q: Is 409,508 a Prime Number?
A: No, 409,508 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 409508 can be evenly divided by 1 2 4 11 22 41 44 82 164 227 451 454 902 908 1,804 2,497 4,994 9,307 9,988 18,614 37,228 102,377 204,754 and 409,508, with no remainder.
Since 409,508 cannot be divided by just 1 and 409,508, it is not a prime number.