No, 166 is not a factor of 312.
(166,1)(83,2)
2 is the greatest common factor
The GCF is: 1
The GCF is 2.
4 * 166 = 664
factor tree of 216
IT IS PRIME there is no factor tree
Factor tree of 204
The factor tree of 50:5025,25,5,25025,25,5,2
21
83 is prime. No tree.