Question

Find H.C.F. and L.C.Mof 18,36,72 ​

Answer 1

The least common multiple is the product of all factors in the greatest number of their occurrence.

The least common multiple is the product of all factors in the greatest number of their occurrence.LCM =

The least common multiple is the product of all factors in the greatest number of their occurrence.LCM = The least common multiple of 18, 36 and 72 is 72.

Answer 2

Answer:

The common factors of 18 and 72 are 18, 9, 6, 3, 2, 1, intersecting the two sets above. In the intersection factors of 18 ∩ factors of 72 the greatest element is 18. Therefore, the greatest common factor of 18 and 72 is 18.