Q: Is 5,209,243 a Prime Number?
A: No, 5,209,243 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 5209243 can be evenly divided by 1 13 400,711 and 5,209,243, with no remainder.
Since 5,209,243 cannot be divided by just 1 and 5,209,243, it is not a prime number.