Q: Is 438,387 a Prime Number?
A: No, 438,387 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 438387 can be evenly divided by 1 3 19 57 7,691 23,073 146,129 and 438,387, with no remainder.
Since 438,387 cannot be divided by just 1 and 438,387, it is not a prime number.