Q: Is 422,258 a Prime Number?
A: No, 422,258 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 422258 can be evenly divided by 1 2 211,129 and 422,258, with no remainder.
Since 422,258 cannot be divided by just 1 and 422,258, it is not a prime number.