It is: 137
The least common factor of any set of numbers is 1.
685 = 5 x 137
685 - 548 = 137
The prime factors of 685 are: 5 and 137.All factors are: 1, 5, 137 and 685.
1, 5, 137, 685
5 x 137 = 685
13.7
685/100 = 137/20
137
By these factors: 1, 5, 11, 55, 137, 685, 1507, 7535.
The factors of 2055 are 1, 3, 5, 15, 137, 411, 685, and 2055.
2,055 is divisible by 1, 3, 5, 15, 137, 411, 685, 2055.