Q: Is 542,216 a Prime Number?
A: No, 542,216 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 542216 can be evenly divided by 1 2 4 8 67,777 135,554 271,108 and 542,216, with no remainder.
Since 542,216 cannot be divided by just 1 and 542,216, it is not a prime number.