Jawabanmu

2014-09-09T20:10:23+07:00
64=1,2,4,8,16,32,64
90=1,2,3,5,6,9,10,15,18,30,45,90
=2
2014-09-09T20:11:55+07:00
64 = 2x2x2x2x2x2 = 2 pangkat 6
90 = 2x3x3x5 = 2x 3pangkat2 x 5

fpb = 2