Q: Is 542,842 a Prime Number?
A: No, 542,842 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 542842 can be evenly divided by 1 2 269 538 1,009 2,018 271,421 and 542,842, with no remainder.
Since 542,842 cannot be divided by just 1 and 542,842, it is not a prime number.