Q: Is 204,020 a Prime Number?
A: No, 204,020 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 204020 can be evenly divided by 1 2 4 5 10 20 101 202 404 505 1,010 2,020 10,201 20,402 40,804 51,005 102,010 and 204,020, with no remainder.
Since 204,020 cannot be divided by just 1 and 204,020, it is not a prime number.