Q: Is 689,820 a Prime Number?
A: No, 689,820 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 689820 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 11,497 22,994 34,491 45,988 57,485 68,982 114,970 137,964 172,455 229,940 344,910 and 689,820, with no remainder.
Since 689,820 cannot be divided by just 1 and 689,820, it is not a prime number.