Q: Is 438,378 a Prime Number?
A: No, 438,378 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 438378 can be evenly divided by 1 2 3 6 73,063 146,126 219,189 and 438,378, with no remainder.
Since 438,378 cannot be divided by just 1 and 438,378, it is not a prime number.