Q: Is 542,170 a Prime Number?
A: No, 542,170 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 542170 can be evenly divided by 1 2 5 10 54,217 108,434 271,085 and 542,170, with no remainder.
Since 542,170 cannot be divided by just 1 and 542,170, it is not a prime number.