Q: Is 542,788 a Prime Number?
A: No, 542,788 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 542788 can be evenly divided by 1 2 4 135,697 271,394 and 542,788, with no remainder.
Since 542,788 cannot be divided by just 1 and 542,788, it is not a prime number.