Q: Is 326,421 a Prime Number?
A: No, 326,421 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 326421 can be evenly divided by 1 3 9 36,269 108,807 and 326,421, with no remainder.
Since 326,421 cannot be divided by just 1 and 326,421, it is not a prime number.