Q: Is 843,423 a Prime Number?
A: No, 843,423 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 843423 can be evenly divided by 1 3 7 21 40,163 120,489 281,141 and 843,423, with no remainder.
Since 843,423 cannot be divided by just 1 and 843,423, it is not a prime number.