Q: Is 1,689,438 a Prime Number?
A: No, 1,689,438 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 1689438 can be evenly divided by 1 2 3 6 31 62 93 186 293 586 879 961 1,758 1,922 2,883 5,766 9,083 18,166 27,249 54,498 281,573 563,146 844,719 and 1,689,438, with no remainder.
Since 1,689,438 cannot be divided by just 1 and 1,689,438, it is not a prime number.