Q: Is 542,743 a Prime Number?
A: No, 542,743 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 542743 can be evenly divided by 1 409 1,327 and 542,743, with no remainder.
Since 542,743 cannot be divided by just 1 and 542,743, it is not a prime number.