Question

ƯC (84,180) la

Answer 1

Ta có:

84 = 2².3.7

180=2².3².5

=>ƯCLN(84,180) = 2².3 = 12

=>ƯC(84,180} = {1;2;3;4;6;12}

Answer 2

ta có :

84=2² x3x7

180=2²x3² x5

=>ƯƠCLN [84;180]=12

=>ƯC[84;180]=ƯC[12]={1;2;3;4;6;12]