Q: Is 204,991 a Prime Number?
A: No, 204,991 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 204991 can be evenly divided by 1 19 10,789 and 204,991, with no remainder.
Since 204,991 cannot be divided by just 1 and 204,991, it is not a prime number.