Q: Is 680,166 a Prime Number?
A: No, 680,166 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 680166 can be evenly divided by 1 2 3 6 9 18 29 58 87 174 261 522 1,303 2,606 3,909 7,818 11,727 23,454 37,787 75,574 113,361 226,722 340,083 and 680,166, with no remainder.
Since 680,166 cannot be divided by just 1 and 680,166, it is not a prime number.