Q: Is 542,153 a Prime Number?
A: Yes, 542,153 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 542153 can be evenly divided by 1 and 542,153, with no remainder.
Since 542,153 can be divided by just 1 and 542,153, it is a prime number.