Q: Is 540,438 a Prime Number?
A: No, 540,438 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 540438 can be evenly divided by 1 2 3 6 90,073 180,146 270,219 and 540,438, with no remainder.
Since 540,438 cannot be divided by just 1 and 540,438, it is not a prime number.