Q: Is 689,528 a Prime Number?
A: No, 689,528 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 689528 can be evenly divided by 1 2 4 7 8 14 28 49 56 98 196 392 1,759 3,518 7,036 12,313 14,072 24,626 49,252 86,191 98,504 172,382 344,764 and 689,528, with no remainder.
Since 689,528 cannot be divided by just 1 and 689,528, it is not a prime number.