Jagat Jitendra Matto Solutions for Chapter: Playing with Numbers, Exercise 11: REVIEW EXERCISE

Find the $\mathrm{HCF}$ of the following numbers by prime factorisation method:

$630, 1188$

Find the $\mathrm{HCF}$ of the following numbers by division method:

$216, 1176$

Find the $\mathrm{HCF}$ of the following numbers by division method:

$2700, 1728$

Find the $\mathrm{HCF}$ of the following numbers by division method:

$768, 324$

Find the L.C.M. of the following numbers by prime factorisation method:

 $34, 40, 126$

Find the L.C.M. of the following numbers by prime factorisation method:

 $20, 24, 36$

Find the L.C.M. of the following numbers by prime factorisation method:

 $36, 54, 72$

Find the L.C.M of the following numbers by division method : 

$70, 65, 75, 80$