Q: Is 542,523 a Prime Number?
A: No, 542,523 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 542523 can be evenly divided by 1 3 193 579 937 2,811 180,841 and 542,523, with no remainder.
Since 542,523 cannot be divided by just 1 and 542,523, it is not a prime number.