Q: Is 209,243 a Prime Number?
A: No, 209,243 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 209243 can be evenly divided by 1 83 2,521 and 209,243, with no remainder.
Since 209,243 cannot be divided by just 1 and 209,243, it is not a prime number.