Q: Is 338,605 a Prime Number?
A: No, 338,605 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 338605 can be evenly divided by 1 5 241 281 1,205 1,405 67,721 and 338,605, with no remainder.
Since 338,605 cannot be divided by just 1 and 338,605, it is not a prime number.