Question

ex1
216,432 cmmmc lor
864,468 cmmdc lor
146:x r=12
160:x r=10
146=x4+12/-12

Answer 1

cmmmc(216;432)=?
216=2³×3³
$432= 2^{4}*3^{3}$
cmmmc=$2^{4}*3^{3}=432$

cmmmc(864;468)=?
$864=2^{5}* 3^{3} \\ \\ 468=2^{2}* 3^{3} *13$
cmmmc=$2^{5}*3^{3}*13=11232$