Q: Is 338,645 a Prime Number?
A: No, 338,645 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 338645 can be evenly divided by 1 5 89 445 761 3,805 67,729 and 338,645, with no remainder.
Since 338,645 cannot be divided by just 1 and 338,645, it is not a prime number.