Q: Is 542,823 a Prime Number?
A: No, 542,823 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 542823 can be evenly divided by 1 3 23 69 7,867 23,601 180,941 and 542,823, with no remainder.
Since 542,823 cannot be divided by just 1 and 542,823, it is not a prime number.