Q: Is 511,423 a Prime Number?
A: No, 511,423 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 511423 can be evenly divided by 1 11 19 209 2,447 26,917 46,493 and 511,423, with no remainder.
Since 511,423 cannot be divided by just 1 and 511,423, it is not a prime number.