Q: Is 422,978 a Prime Number?
A: No, 422,978 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 422978 can be evenly divided by 1 2 19 38 11,131 22,262 211,489 and 422,978, with no remainder.
Since 422,978 cannot be divided by just 1 and 422,978, it is not a prime number.