Q: Is 421,793 a Prime Number?
A: No, 421,793 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 421793 can be evenly divided by 1 463 911 and 421,793, with no remainder.
Since 421,793 cannot be divided by just 1 and 421,793, it is not a prime number.