Q: Is 542,387 a Prime Number?
A: No, 542,387 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 542387 can be evenly divided by 1 29 59 317 1,711 9,193 18,703 and 542,387, with no remainder.
Since 542,387 cannot be divided by just 1 and 542,387, it is not a prime number.