Q: Is 511,993 a Prime Number?
A: No, 511,993 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 511993 can be evenly divided by 1 19 26,947 and 511,993, with no remainder.
Since 511,993 cannot be divided by just 1 and 511,993, it is not a prime number.