1, 2, 3, 6, 13, 26, 39, 78.
0.0815
5.8462
x/78 Whatever x equals, divide it by 78.
By any of its factors
3.9
0.0385
78
78
The factors of 78 are: 1, 2, 3, 6, 13, 26, 39 & 78 and they will all divide into 78 with no remainder.
Divide by 2,3 and 13. 1, 2, 3, 6, 13, 26, 39, 78
6.5
Prime factors can be divided only by 1 and by themselves.