Q: Is 542,270 a Prime Number?
A: No, 542,270 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 542270 can be evenly divided by 1 2 5 10 211 257 422 514 1,055 1,285 2,110 2,570 54,227 108,454 271,135 and 542,270, with no remainder.
Since 542,270 cannot be divided by just 1 and 542,270, it is not a prime number.