Q: Is 511,426 a Prime Number?
A: No, 511,426 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 511426 can be evenly divided by 1 2 255,713 and 511,426, with no remainder.
Since 511,426 cannot be divided by just 1 and 511,426, it is not a prime number.