Q: Is 518,646 a Prime Number?
A: No, 518,646 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 518646 can be evenly divided by 1 2 3 6 86,441 172,882 259,323 and 518,646, with no remainder.
Since 518,646 cannot be divided by just 1 and 518,646, it is not a prime number.