Question

Tìm ƯCLN ( 555;120). Kết quả là: ....

Answer 1

555=5*111

120=2*2*2*3*5

=>ƯCLN(555;120)=5*1=5

Answer 2

Ta có; \(555=3\times5\times37\)

\(120=2^3\times3\times5\)

\(ƯCLN\left(555;120\right)=3\times5=15\)

\(\RightarrowƯCLN\left(555;120\right)=15\)

Answer 3

555=3.5.37

120=2^3.3.5

ƯCLN (555:120) =3.5=15

ƯC (555 : 120) =Ư(15)={ 1 ;3 ;5; 15}