Q: Is 542,209 a Prime Number?
A: No, 542,209 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 542209 can be evenly divided by 1 131 4,139 and 542,209, with no remainder.
Since 542,209 cannot be divided by just 1 and 542,209, it is not a prime number.