Q: Is 431,997 a Prime Number?
A: No, 431,997 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 431997 can be evenly divided by 1 3 143,999 and 431,997, with no remainder.
Since 431,997 cannot be divided by just 1 and 431,997, it is not a prime number.