Q: Is 212,428 a Prime Number?
A: No, 212,428 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 212428 can be evenly divided by 1 2 4 23 46 92 2,309 4,618 9,236 53,107 106,214 and 212,428, with no remainder.
Since 212,428 cannot be divided by just 1 and 212,428, it is not a prime number.