Q: Is 422,821 a Prime Number?
A: No, 422,821 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 422821 can be evenly divided by 1 7 49 8,629 60,403 and 422,821, with no remainder.
Since 422,821 cannot be divided by just 1 and 422,821, it is not a prime number.