Q: Is 511,628 a Prime Number?
A: No, 511,628 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 511628 can be evenly divided by 1 2 4 13 26 52 9,839 19,678 39,356 127,907 255,814 and 511,628, with no remainder.
Since 511,628 cannot be divided by just 1 and 511,628, it is not a prime number.