Q: Is 438,393 a Prime Number?
A: No, 438,393 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 438393 can be evenly divided by 1 3 29 87 5,039 15,117 146,131 and 438,393, with no remainder.
Since 438,393 cannot be divided by just 1 and 438,393, it is not a prime number.