Q: Is 428,072 a Prime Number?
A: No, 428,072 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 428072 can be evenly divided by 1 2 4 8 73 146 292 584 733 1,466 2,932 5,864 53,509 107,018 214,036 and 428,072, with no remainder.
Since 428,072 cannot be divided by just 1 and 428,072, it is not a prime number.