辗转相除法:
2400/1356=1……1044
1356/1044=1……312
1044/312=3……108
312/108=2……96
108/96=1……12
96/12=8
(1356,2400)=12
[1356,2400]=1356*2400/12=271200
辗转相除法:
2400/1356=1……1044
1356/1044=1……312
1044/312=3……108
312/108=2……96
108/96=1……12
96/12=8
(1356,2400)=12
[1356,2400]=1356*2400/12=271200