Q: Is 1,428,028 a Prime Number?
A: No, 1,428,028 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 1428028 can be evenly divided by 1 2 4 7 14 28 51,001 102,002 204,004 357,007 714,014 and 1,428,028, with no remainder.
Since 1,428,028 cannot be divided by just 1 and 1,428,028, it is not a prime number.