Jawabanmu

2014-09-03T02:16:42+07:00
2014-09-03T03:15:41+07:00
Faktorisasi prima
112 : 2x2x2x2x7 >>  2^{4} x7
168 : 2x2x2x3x7 >>  2^{3} x3x7
224 : 2x2x2x2x2x7 >>  2^{5} x7

 2^{5} x3x7=672
3 3 3