Q: Is 320,823 a Prime Number?
A: No, 320,823 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 320823 can be evenly divided by 1 3 9 43 129 387 829 2,487 7,461 35,647 106,941 and 320,823, with no remainder.
Since 320,823 cannot be divided by just 1 and 320,823, it is not a prime number.