Q: Is 820,266 a Prime Number?
A: No, 820,266 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 820266 can be evenly divided by 1 2 3 6 136,711 273,422 410,133 and 820,266, with no remainder.
Since 820,266 cannot be divided by just 1 and 820,266, it is not a prime number.