Q: Is 1,289,709 a Prime Number?
A: No, 1,289,709 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 1289709 can be evenly divided by 1 3 9 27 37 111 333 999 1,291 3,873 11,619 34,857 47,767 143,301 429,903 and 1,289,709, with no remainder.
Since 1,289,709 cannot be divided by just 1 and 1,289,709, it is not a prime number.