Q: Is 428,218 a Prime Number?
A: No, 428,218 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 428218 can be evenly divided by 1 2 7 14 73 146 419 511 838 1,022 2,933 5,866 30,587 61,174 214,109 and 428,218, with no remainder.
Since 428,218 cannot be divided by just 1 and 428,218, it is not a prime number.