Q: Is 320,665 a Prime Number?
A: No, 320,665 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 320665 can be evenly divided by 1 5 59 295 1,087 5,435 64,133 and 320,665, with no remainder.
Since 320,665 cannot be divided by just 1 and 320,665, it is not a prime number.