Q: Is 689,620 a Prime Number?
A: No, 689,620 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 689620 can be evenly divided by 1 2 4 5 10 20 29 41 58 82 116 145 164 205 290 410 580 820 841 1,189 1,682 2,378 3,364 4,205 4,756 5,945 8,410 11,890 16,820 23,780 34,481 68,962 137,924 172,405 344,810 and 689,620, with no remainder.
Since 689,620 cannot be divided by just 1 and 689,620, it is not a prime number.