Q: Is 209,542 a Prime Number?
A: No, 209,542 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 209542 can be evenly divided by 1 2 17 34 6,163 12,326 104,771 and 209,542, with no remainder.
Since 209,542 cannot be divided by just 1 and 209,542, it is not a prime number.