Q: Is 422,445 a Prime Number?
A: No, 422,445 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 422445 can be evenly divided by 1 3 5 15 28,163 84,489 140,815 and 422,445, with no remainder.
Since 422,445 cannot be divided by just 1 and 422,445, it is not a prime number.