Q: Is 542,629 a Prime Number?
A: No, 542,629 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 542629 can be evenly divided by 1 431 1,259 and 542,629, with no remainder.
Since 542,629 cannot be divided by just 1 and 542,629, it is not a prime number.