Q: Is 1,689,021 a Prime Number?
A: No, 1,689,021 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 1689021 can be evenly divided by 1 3 9 187,669 563,007 and 1,689,021, with no remainder.
Since 1,689,021 cannot be divided by just 1 and 1,689,021, it is not a prime number.