Q: Is 243,217 a Prime Number?
A: No, 243,217 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 243217 can be evenly divided by 1 13 53 353 689 4,589 18,709 and 243,217, with no remainder.
Since 243,217 cannot be divided by just 1 and 243,217, it is not a prime number.