Q: Is 217,439 a Prime Number?
A: Yes, 217,439 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 217439 can be evenly divided by 1 and 217,439, with no remainder.
Since 217,439 can be divided by just 1 and 217,439, it is a prime number.