Q: Is 689,000 a Prime Number?
A: No, 689,000 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 689000 can be evenly divided by 1 2 4 5 8 10 13 20 25 26 40 50 52 53 65 100 104 106 125 130 200 212 250 260 265 325 424 500 520 530 650 689 1,000 1,060 1,300 1,325 1,378 1,625 2,120 2,600 2,650 2,756 3,250 3,445 5,300 5,512 6,500 6,625 6,890 10,600 13,000 13,250 13,780 17,225 26,500 27,560 34,450 53,000 68,900 86,125 137,800 172,250 344,500 and 689,000, with no remainder.
Since 689,000 cannot be divided by just 1 and 689,000, it is not a prime number.