Q: Is 542,149 a Prime Number?
A: Yes, 542,149 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 542149 can be evenly divided by 1 and 542,149, with no remainder.
Since 542,149 can be divided by just 1 and 542,149, it is a prime number.