Q: Is 420,463 a Prime Number?
A: No, 420,463 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 420463 can be evenly divided by 1 23 101 181 2,323 4,163 18,281 and 420,463, with no remainder.
Since 420,463 cannot be divided by just 1 and 420,463, it is not a prime number.