Q: Is 1,388,706 a Prime Number?
A: No, 1,388,706 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 1388706 can be evenly divided by 1 2 3 6 11 22 33 53 66 106 159 318 397 583 794 1,166 1,191 1,749 2,382 3,498 4,367 8,734 13,101 21,041 26,202 42,082 63,123 126,246 231,451 462,902 694,353 and 1,388,706, with no remainder.
Since 1,388,706 cannot be divided by just 1 and 1,388,706, it is not a prime number.