Q: Is 1,321,309 a Prime Number?
A: No, 1,321,309 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 1321309 can be evenly divided by 1 11 113 1,063 1,243 11,693 120,119 and 1,321,309, with no remainder.
Since 1,321,309 cannot be divided by just 1 and 1,321,309, it is not a prime number.