Q: Is 1,689,428 a Prime Number?
A: No, 1,689,428 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 1689428 can be evenly divided by 1 2 4 13 26 52 53 106 212 613 689 1,226 1,378 2,452 2,756 7,969 15,938 31,876 32,489 64,978 129,956 422,357 844,714 and 1,689,428, with no remainder.
Since 1,689,428 cannot be divided by just 1 and 1,689,428, it is not a prime number.