Q: Is 542,839 a Prime Number?
A: No, 542,839 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 542839 can be evenly divided by 1 11 61 671 809 8,899 49,349 and 542,839, with no remainder.
Since 542,839 cannot be divided by just 1 and 542,839, it is not a prime number.