Q: Is 680,559 a Prime Number?
A: No, 680,559 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 680559 can be evenly divided by 1 3 11 33 41 123 451 503 1,353 1,509 5,533 16,599 20,623 61,869 226,853 and 680,559, with no remainder.
Since 680,559 cannot be divided by just 1 and 680,559, it is not a prime number.