Q: Is 821,979 a Prime Number?
A: No, 821,979 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 821979 can be evenly divided by 1 3 9 91,331 273,993 and 821,979, with no remainder.
Since 821,979 cannot be divided by just 1 and 821,979, it is not a prime number.