Q: Is 518,919 a Prime Number?
A: No, 518,919 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 518919 can be evenly divided by 1 3 172,973 and 518,919, with no remainder.
Since 518,919 cannot be divided by just 1 and 518,919, it is not a prime number.