Q: Is 320,205 a Prime Number?
A: No, 320,205 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 320205 can be evenly divided by 1 3 5 15 21,347 64,041 106,735 and 320,205, with no remainder.
Since 320,205 cannot be divided by just 1 and 320,205, it is not a prime number.