pohon faktor dari 20 , 24 , 25 dan fpb dan kpk

fpb
dri
20=1,2,4 ,5,10,20

24=1,2,3,4,6,8,12,24

25=1,5,25
kpk
dri
20=40,60,80,100,120,140,160,180,200,220,240,
24=48,72 ,96,120,144,168,192,216,240

25=50,75,100,125,150,175,200,225,250,275,300