231
77,3
11,7,3
231 77,3 11,7,3
231 77,3 11,7,3
231 3, 77 3, 7, 11
231 / \ 77*3 / \ 11*7 231=11*7*3
231 77,3 11,7,3 285 95,3 19,5,3 111 3,37
The longest factor string you can make for 231 is 3x7x11.
The greatest common factor of 231 and 154 is 77.
231 / \ 3 77 / \ 7 11 / \ 11 1
The greatest common factor (GCF) of 121 and 231 is 11.
234 117,2 39,3,2 13,3,3,2
GCF(60, 231) = 3.
The GCF is 21.