Q: Is 689,800 a Prime Number?
A: No, 689,800 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 689800 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 3,449 6,898 13,796 17,245 27,592 34,490 68,980 86,225 137,960 172,450 344,900 and 689,800, with no remainder.
Since 689,800 cannot be divided by just 1 and 689,800, it is not a prime number.