Q: Is 511,642 a Prime Number?
A: No, 511,642 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 511642 can be evenly divided by 1 2 47 94 5,443 10,886 255,821 and 511,642, with no remainder.
Since 511,642 cannot be divided by just 1 and 511,642, it is not a prime number.