Tìm ƯCLN ( 180; 168 )
Ta có:
180 = 22 x 32 x 5
168 = 23 x 3 x 7
=> ƯCLN ( 180; 168 ) = 22 x 3 = 4 x 3 = 12
Tìm BCNN ( 180; 168 )
Ta có:
180 = 22 x 32 x 5
168 = 23 x 3 x 7
=> BCNN ( 180; 168 ) = 23 x 32 x 5 x 7 = 8 x 9 x 5 x 7 = 2520
Ta có:
180 = 22.32.5
168 = 23.3.7
=> ƯCLN(180;168) = 22.3 = 12
=> BCNN(180;168) = 23.32.5.7 = 2520
Ta có : 180 = 22. 32. 5
168 = 23. 3.7
=> UWCLN ( 180 , 168 ) = 22. 3 = 12
=> BCNN ( 180 , 168 ) = 23. 32. 5 . 7 = 2520