Question

LCM of 42,63 and 72 in prime factorisation method.

Answer 1

Answer:

3, 7, 7, 29 -- 4263

2,2,2,3,3 --72

Answer 2

Answer:

21168

Step-by-step explanation:

3 x 42--63--72 =

3 x 14 x 21 x 24=21168

∴L.C.M = 21168