Q: Is 204,478 a Prime Number?
A: No, 204,478 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 204478 can be evenly divided by 1 2 19 38 5,381 10,762 102,239 and 204,478, with no remainder.
Since 204,478 cannot be divided by just 1 and 204,478, it is not a prime number.