Q: Is 204,821 a Prime Number?
A: Yes, 204,821 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 204821 can be evenly divided by 1 and 204,821, with no remainder.
Since 204,821 can be divided by just 1 and 204,821, it is a prime number.