Q: Is 338,623 a Prime Number?
A: No, 338,623 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 338623 can be evenly divided by 1 17 19,919 and 338,623, with no remainder.
Since 338,623 cannot be divided by just 1 and 338,623, it is not a prime number.