Q: Is 338,728 a Prime Number?
A: No, 338,728 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 338728 can be evenly divided by 1 2 4 8 13 26 52 104 3,257 6,514 13,028 26,056 42,341 84,682 169,364 and 338,728, with no remainder.
Since 338,728 cannot be divided by just 1 and 338,728, it is not a prime number.