12 = 22 . 3
15 = 3 .5
105 = 3 . 5 . 7
BCNN(12,15,105) = 22 . 3 . 5 . 7 = 420
BC(12,15,105) = B(420) = {0;420:840;1260;...}
k nha
12= 22.3
15=3.5
105= 3.5.7
BCNN(12,15,105) = 22 .3.5.7=420
BC (12,15,105)=B(420)={0,420,840,1260,1680,....}
12=22.3
15=3.5
105=3.5.7
BCNN(12,15,105)=22.3.5.7=420
BC(12,15,105)=B(420)={0;420;840;1260;1680;...}