Q: Is 323,421 a Prime Number?
A: No, 323,421 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 323421 can be evenly divided by 1 3 7 21 15,401 46,203 107,807 and 323,421, with no remainder.
Since 323,421 cannot be divided by just 1 and 323,421, it is not a prime number.