144 = 24 . 32
504 = 23 . 32 . 7
1080 = 23 . 33 . 5
Vậy ƯCLN (144 ; 504 ; 1080) = 23 . 32 = 72
ta có
\( 144 = 24 . 32\)
\(504 = 23 . 32 . 7\)
\(1080 = 23 . 33 . 5\)
\(=> ƯCLN (144 ; 504 ; 1080) = 23 . 32 = 72\)
\(Ư(72) = {1,2,3,4,6,9,72}\)
Ta có:144=2⁴. 3²
504=2³. 3². 7
1080=2³. 3³. 5
=>ƯLN=2³. 3²=72
Ư chung={2;2²;2³;3;3²;6;12;18;24}
144 = 24 . 32
504 = 23 . 32 . 7
1080 = 23 . 33 . 5
Vậy ƯCLN (144 ; 504 ; 1080) = 23 . 32 = 72
