Q: Is 338,648 a Prime Number?
A: No, 338,648 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 338648 can be evenly divided by 1 2 4 8 42,331 84,662 169,324 and 338,648, with no remainder.
Since 338,648 cannot be divided by just 1 and 338,648, it is not a prime number.