Q: Is 680,742 a Prime Number?
A: No, 680,742 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 680742 can be evenly divided by 1 2 3 6 9 18 59 118 177 354 531 641 1,062 1,282 1,923 3,846 5,769 11,538 37,819 75,638 113,457 226,914 340,371 and 680,742, with no remainder.
Since 680,742 cannot be divided by just 1 and 680,742, it is not a prime number.