Ta có:
45 = 32 . 5
204 = 22 . 3 . 17
126 = 2 . 32 . 7
Vậy
- ƯCLN ( a,b,c ) = 3
- BCNN ( a,b,c ) = 22 * 32 * 5 * 7 * 17 = 21 420
Ta có:
45 = 32 . 5
204 = 22 . 3 . 17
126 = 2 . 32 . 7
Vậy
- ƯCLN ( a,b,c ) = 3
- BCNN ( a,b,c ) = 22 * 32 * 5 * 7 * 17 = 21 420