Q: Is 720,422 a Prime Number?
A: No, 720,422 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 720422 can be evenly divided by 1 2 43 86 8,377 16,754 360,211 and 720,422, with no remainder.
Since 720,422 cannot be divided by just 1 and 720,422, it is not a prime number.