Q: Is 821,442 a Prime Number?
A: No, 821,442 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 821442 can be evenly divided by 1 2 3 6 79 158 237 474 1,733 3,466 5,199 10,398 136,907 273,814 410,721 and 821,442, with no remainder.
Since 821,442 cannot be divided by just 1 and 821,442, it is not a prime number.