Tìm ƯCLN(60,72)
Ta có: 22 . 3 . 5
23 . 32
=> ƯCLN(60,72) = 22 . 3 = 12
Tìm BCNN(60,72)
Ta có: 72 = 23.32.
96 = 3.25.
=> BCNN (72, 96)=25 . 32= 32 . 9 = 288.
tìm ƯCLN (60;72)
ta có:60=22 .3.5
72=23.32
ƯCLN(60;72)=22.3=12
tìm BCNN(60;72)
ta có:60=22.3.5
72=23.32
BCNN(60;72)=23.32.5=60
60 = 3.22.5
72=23.32
ƯCLN ( 60,72) = 3.22=12
BCNN ( 60,72) = 23 . 32 .5=360
60 = 22 . 3 . 5
72 = 23 . 32
=> UCLN (60;72) = 22 . 3 = 12
=> BCNN (60;72) = 23 . 32.5 =360
