Q: Is 518,404 a Prime Number?
A: No, 518,404 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 518404 can be evenly divided by 1 2 4 29 41 58 82 109 116 164 218 436 1,189 2,378 3,161 4,469 4,756 6,322 8,938 12,644 17,876 129,601 259,202 and 518,404, with no remainder.
Since 518,404 cannot be divided by just 1 and 518,404, it is not a prime number.