0.0526
1, 3, 9, 19, 57, 171.
19
171 can be divided by each of its factors: 1, 3, 9, 19, 57 and 171
3 and 57 9 and 19
171. (9 x 20 = 180 - 9 = 171).19 x 9 = 171
4.0714
The positive integer factors of 171 are: 1, 3, 9, 19, 57, 171
171 = 3 x 3 x 19.3 x 3 x 19 = 171
The GCF is 19.
-10
1.7812