Q: Is 321,430 a Prime Number?
A: No, 321,430 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 321430 can be evenly divided by 1 2 5 10 32,143 64,286 160,715 and 321,430, with no remainder.
Since 321,430 cannot be divided by just 1 and 321,430, it is not a prime number.