Q: Is 1,320,397 a Prime Number?
A: No, 1,320,397 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 1320397 can be evenly divided by 1 13 169 601 2,197 7,813 101,569 and 1,320,397, with no remainder.
Since 1,320,397 cannot be divided by just 1 and 1,320,397, it is not a prime number.