Q: Is 438,021 a Prime Number?
A: No, 438,021 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 438021 can be evenly divided by 1 3 9 27 16,223 48,669 146,007 and 438,021, with no remainder.
Since 438,021 cannot be divided by just 1 and 438,021, it is not a prime number.