Q: Is 320,745 a Prime Number?
A: No, 320,745 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 320745 can be evenly divided by 1 3 5 15 21,383 64,149 106,915 and 320,745, with no remainder.
Since 320,745 cannot be divided by just 1 and 320,745, it is not a prime number.